Home / 939,748,005.90-1,409,622,008.85-697,883,301.90

Finding the Fourth Proportional to 939,748,005.90, 1,409,622,008.85 and 697,883,301.90

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Solution

The fourth proportional to 939,748,005.90, 1,409,622,008.85 and 697,883,301.90 is: 1,046,824,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,748,005.90 : 1,409,622,008.85 = 697,883,301.90 : x
  2. Step 2: Convert to fraction form
    939,748,005.90/1,409,622,008.85 = 697,883,301.90/x
  3. Step 3: Cross multiply
    939,748,005.90x = 1,409,622,008.85 × 697,883,301.90
  4. Step 4: Simplify right side
    939,748,005.90x = 983,751,661,967,148,928
  5. Step 5: Solve for x
    x = 983,751,661,967,148,928/939,748,005.90
  6. Step 6: Final answer
    x = 1,046,824,952.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.