Home / 403,039,240,548.15-604,643,767,526.95-130,742,227,860.68

Finding the Fourth Proportional to 403,039,240,548.15, 604,643,767,526.95 and 130,742,227,860.68

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Solution

The fourth proportional to 403,039,240,548.15, 604,643,767,526.95 and 130,742,227,860.68 is: 196,140,884,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,039,240,548.15 : 604,643,767,526.95 = 130,742,227,860.68 : x
  2. Step 2: Convert to fraction form
    403,039,240,548.15/604,643,767,526.95 = 130,742,227,860.68/x
  3. Step 3: Cross multiply
    403,039,240,548.15x = 604,643,767,526.95 × 130,742,227,860.68
  4. Step 4: Simplify right side
    403,039,240,548.15x = 79,052,473,228,548,506,648,576
  5. Step 5: Solve for x
    x = 79,052,473,228,548,506,648,576/403,039,240,548.15
  6. Step 6: Final answer
    x = 196,140,884,746.20

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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.