Home / 523,950,092.11-723,038,459.16-288,995,708.71

Finding the Fourth Proportional to 523,950,092.11, 723,038,459.16 and 288,995,708.71

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Solution

The fourth proportional to 523,950,092.11, 723,038,459.16 and 288,995,708.71 is: 398,807,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,950,092.11 : 723,038,459.16 = 288,995,708.71 : x
  2. Step 2: Convert to fraction form
    523,950,092.11/723,038,459.16 = 288,995,708.71/x
  3. Step 3: Cross multiply
    523,950,092.11x = 723,038,459.16 × 288,995,708.71
  4. Step 4: Simplify right side
    523,950,092.11x = 208,955,011,929,530,560
  5. Step 5: Solve for x
    x = 208,955,011,929,530,560/523,950,092.11
  6. Step 6: Final answer
    x = 398,807,090.74

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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.