Home / 727,232,864.19-1,003,584,417.50-409,696,920.15

Finding the Fourth Proportional to 727,232,864.19, 1,003,584,417.50 and 409,696,920.15

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Solution

The fourth proportional to 727,232,864.19, 1,003,584,417.50 and 409,696,920.15 is: 565,383,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,232,864.19 : 1,003,584,417.50 = 409,696,920.15 : x
  2. Step 2: Convert to fraction form
    727,232,864.19/1,003,584,417.50 = 409,696,920.15/x
  3. Step 3: Cross multiply
    727,232,864.19x = 1,003,584,417.50 × 409,696,920.15
  4. Step 4: Simplify right side
    727,232,864.19x = 411,165,444,953,215,360
  5. Step 5: Solve for x
    x = 411,165,444,953,215,360/727,232,864.19
  6. Step 6: Final answer
    x = 565,383,476.47

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1.5x scale

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.