Home / 657,540,434.58-907,061,777.62-406,564,599.28

Finding the Fourth Proportional to 657,540,434.58, 907,061,777.62 and 406,564,599.28

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Solution

The fourth proportional to 657,540,434.58, 907,061,777.62 and 406,564,599.28 is: 560,846,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,540,434.58 : 907,061,777.62 = 406,564,599.28 : x
  2. Step 2: Convert to fraction form
    657,540,434.58/907,061,777.62 = 406,564,599.28/x
  3. Step 3: Cross multiply
    657,540,434.58x = 907,061,777.62 × 406,564,599.28
  4. Step 4: Simplify right side
    657,540,434.58x = 368,779,208,140,279,744
  5. Step 5: Solve for x
    x = 368,779,208,140,279,744/657,540,434.58
  6. Step 6: Final answer
    x = 560,846,434.30

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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.