Home / 727,232,865.44-1,003,584,419.22-409,696,921.40

Finding the Fourth Proportional to 727,232,865.44, 1,003,584,419.22 and 409,696,921.40

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Solution

The fourth proportional to 727,232,865.44, 1,003,584,419.22 and 409,696,921.40 is: 565,383,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,232,865.44 : 1,003,584,419.22 = 409,696,921.40 : x
  2. Step 2: Convert to fraction form
    727,232,865.44/1,003,584,419.22 = 409,696,921.40/x
  3. Step 3: Cross multiply
    727,232,865.44x = 1,003,584,419.22 × 409,696,921.40
  4. Step 4: Simplify right side
    727,232,865.44x = 411,165,446,914,423,040
  5. Step 5: Solve for x
    x = 411,165,446,914,423,040/727,232,865.44
  6. Step 6: Final answer
    x = 565,383,478.19

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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.