Home / 657,540,333.42-907,061,638.40-406,564,498.32

Finding the Fourth Proportional to 657,540,333.42, 907,061,638.40 and 406,564,498.32

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Solution

The fourth proportional to 657,540,333.42, 907,061,638.40 and 406,564,498.32 is: 560,846,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,540,333.42 : 907,061,638.40 = 406,564,498.32 : x
  2. Step 2: Convert to fraction form
    657,540,333.42/907,061,638.40 = 406,564,498.32/x
  3. Step 3: Cross multiply
    657,540,333.42x = 907,061,638.40 × 406,564,498.32
  4. Step 4: Simplify right side
    657,540,333.42x = 368,779,059,961,413,248
  5. Step 5: Solve for x
    x = 368,779,059,961,413,248/657,540,333.42
  6. Step 6: Final answer
    x = 560,846,295.23

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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.