Home / 488,443,584.70-732,693,306.26-138,662,293.35

Finding the Fourth Proportional to 488,443,584.70, 732,693,306.26 and 138,662,293.35

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Solution

The fourth proportional to 488,443,584.70, 732,693,306.26 and 138,662,293.35 is: 208,001,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,443,584.70 : 732,693,306.26 = 138,662,293.35 : x
  2. Step 2: Convert to fraction form
    488,443,584.70/732,693,306.26 = 138,662,293.35/x
  3. Step 3: Cross multiply
    488,443,584.70x = 732,693,306.26 × 138,662,293.35
  4. Step 4: Simplify right side
    488,443,584.70x = 101,596,934,168,205,504
  5. Step 5: Solve for x
    x = 101,596,934,168,205,504/488,443,584.70
  6. Step 6: Final answer
    x = 208,001,368.74

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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.