Home / 539,221,615.64-744,124,207.76-291,702,901.40

Finding the Fourth Proportional to 539,221,615.64, 744,124,207.76 and 291,702,901.40

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Solution

The fourth proportional to 539,221,615.64, 744,124,207.76 and 291,702,901.40 is: 402,549,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,221,615.64 : 744,124,207.76 = 291,702,901.40 : x
  2. Step 2: Convert to fraction form
    539,221,615.64/744,124,207.76 = 291,702,901.40/x
  3. Step 3: Cross multiply
    539,221,615.64x = 744,124,207.76 × 291,702,901.40
  4. Step 4: Simplify right side
    539,221,615.64x = 217,063,190,405,568,384
  5. Step 5: Solve for x
    x = 217,063,190,405,568,384/539,221,615.64
  6. Step 6: Final answer
    x = 402,549,126.57

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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.