Home / 657,910,105.60-986,487,244.80-197,779,302.40

Finding the Fourth Proportional to 657,910,105.60, 986,487,244.80 and 197,779,302.40

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Solution

The fourth proportional to 657,910,105.60, 986,487,244.80 and 197,779,302.40 is: 296,555,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,910,105.60 : 986,487,244.80 = 197,779,302.40 : x
  2. Step 2: Convert to fraction form
    657,910,105.60/986,487,244.80 = 197,779,302.40/x
  3. Step 3: Cross multiply
    657,910,105.60x = 986,487,244.80 × 197,779,302.40
  4. Step 4: Simplify right side
    657,910,105.60x = 195,106,759,103,042,016
  5. Step 5: Solve for x
    x = 195,106,759,103,042,016/657,910,105.60
  6. Step 6: Final answer
    x = 296,555,346.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.