Home / 657,540,339.42-907,061,646.68-406,564,504.32

Finding the Fourth Proportional to 657,540,339.42, 907,061,646.68 and 406,564,504.32

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Solution

The fourth proportional to 657,540,339.42, 907,061,646.68 and 406,564,504.32 is: 560,846,303.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,540,339.42 : 907,061,646.68 = 406,564,504.32 : x
  2. Step 2: Convert to fraction form
    657,540,339.42/907,061,646.68 = 406,564,504.32/x
  3. Step 3: Cross multiply
    657,540,339.42x = 907,061,646.68 × 406,564,504.32
  4. Step 4: Simplify right side
    657,540,339.42x = 368,779,068,770,137,152
  5. Step 5: Solve for x
    x = 368,779,068,770,137,152/657,540,339.42
  6. Step 6: Final answer
    x = 560,846,303.51

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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.