Home / 736,799,809.16-1,017,242,611.82-469,026,729.17

Finding the Fourth Proportional to 736,799,809.16, 1,017,242,611.82 and 469,026,729.17

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Solution

The fourth proportional to 736,799,809.16, 1,017,242,611.82 and 469,026,729.17 is: 647,548,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,799,809.16 : 1,017,242,611.82 = 469,026,729.17 : x
  2. Step 2: Convert to fraction form
    736,799,809.16/1,017,242,611.82 = 469,026,729.17/x
  3. Step 3: Cross multiply
    736,799,809.16x = 1,017,242,611.82 × 469,026,729.17
  4. Step 4: Simplify right side
    736,799,809.16x = 477,113,974,986,851,264
  5. Step 5: Solve for x
    x = 477,113,974,986,851,264/736,799,809.16
  6. Step 6: Final answer
    x = 647,548,993.71

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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.