Home / 657,680,215.64-907,599,397.23-356,266,228.50

Finding the Fourth Proportional to 657,680,215.64, 907,599,397.23 and 356,266,228.50

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Solution

The fourth proportional to 657,680,215.64, 907,599,397.23 and 356,266,228.50 is: 491,647,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,680,215.64 : 907,599,397.23 = 356,266,228.50 : x
  2. Step 2: Convert to fraction form
    657,680,215.64/907,599,397.23 = 356,266,228.50/x
  3. Step 3: Cross multiply
    657,680,215.64x = 907,599,397.23 × 356,266,228.50
  4. Step 4: Simplify right side
    657,680,215.64x = 323,347,014,240,005,440
  5. Step 5: Solve for x
    x = 323,347,014,240,005,440/657,680,215.64
  6. Step 6: Final answer
    x = 491,647,774.33

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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.