Home / 657,458,454.85-907,293,156.84-356,046,106.12

Finding the Fourth Proportional to 657,458,454.85, 907,293,156.84 and 356,046,106.12

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Solution

The fourth proportional to 657,458,454.85, 907,293,156.84 and 356,046,106.12 is: 491,343,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,458,454.85 : 907,293,156.84 = 356,046,106.12 : x
  2. Step 2: Convert to fraction form
    657,458,454.85/907,293,156.84 = 356,046,106.12/x
  3. Step 3: Cross multiply
    657,458,454.85x = 907,293,156.84 × 356,046,106.12
  4. Step 4: Simplify right side
    657,458,454.85x = 323,038,195,602,204,480
  5. Step 5: Solve for x
    x = 323,038,195,602,204,480/657,458,454.85
  6. Step 6: Final answer
    x = 491,343,891.34

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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.