Home / 657,540,516.84-907,061,890.05-406,564,681.32

Finding the Fourth Proportional to 657,540,516.84, 907,061,890.05 and 406,564,681.32

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Solution

The fourth proportional to 657,540,516.84, 907,061,890.05 and 406,564,681.32 is: 560,846,546.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,540,516.84 : 907,061,890.05 = 406,564,681.32 : x
  2. Step 2: Convert to fraction form
    657,540,516.84/907,061,890.05 = 406,564,681.32/x
  3. Step 3: Cross multiply
    657,540,516.84x = 907,061,890.05 × 406,564,681.32
  4. Step 4: Simplify right side
    657,540,516.84x = 368,779,328,265,695,104
  5. Step 5: Solve for x
    x = 368,779,328,265,695,104/657,540,516.84
  6. Step 6: Final answer
    x = 560,846,546.82

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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.