Home / 745,541,327,643.15-1,028,872,417,727.20-432,657,486,988.55

Finding the Fourth Proportional to 745,541,327,643.15, 1,028,872,417,727.20 and 432,657,486,988.55

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Solution

The fourth proportional to 745,541,327,643.15, 1,028,872,417,727.20 and 432,657,486,988.55 is: 597,082,063,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,541,327,643.15 : 1,028,872,417,727.20 = 432,657,486,988.55 : x
  2. Step 2: Convert to fraction form
    745,541,327,643.15/1,028,872,417,727.20 = 432,657,486,988.55/x
  3. Step 3: Cross multiply
    745,541,327,643.15x = 1,028,872,417,727.20 × 432,657,486,988.55
  4. Step 4: Simplify right side
    745,541,327,643.15x = 445,149,354,685,683,948,584,960
  5. Step 5: Solve for x
    x = 445,149,354,685,683,948,584,960/745,541,327,643.15
  6. Step 6: Final answer
    x = 597,082,063,972.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.