Home / 1,249,274,019.00-1,862,742,188.79-1,214,950,985.16

Finding the Fourth Proportional to 1,249,274,019.00, 1,862,742,188.79 and 1,214,950,985.16

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Solution

The fourth proportional to 1,249,274,019.00, 1,862,742,188.79 and 1,214,950,985.16 is: 1,811,564,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,274,019.00 : 1,862,742,188.79 = 1,214,950,985.16 : x
  2. Step 2: Convert to fraction form
    1,249,274,019.00/1,862,742,188.79 = 1,214,950,985.16/x
  3. Step 3: Cross multiply
    1,249,274,019.00x = 1,862,742,188.79 × 1,214,950,985.16
  4. Step 4: Simplify right side
    1,249,274,019.00x = 2,263,140,457,369,642,496
  5. Step 5: Solve for x
    x = 2,263,140,457,369,642,496/1,249,274,019.00
  6. Step 6: Final answer
    x = 1,811,564,495.03

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Half scale
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Double scale
Find fourth proportional to 1,249,274,020, 1,862,742,190.28 and 1,214,950,986.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.