Home / 486,781,421.09-730,165,753.76-118,315,302.93

Finding the Fourth Proportional to 486,781,421.09, 730,165,753.76 and 118,315,302.93

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Solution

The fourth proportional to 486,781,421.09, 730,165,753.76 and 118,315,302.93 is: 177,471,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,781,421.09 : 730,165,753.76 = 118,315,302.93 : x
  2. Step 2: Convert to fraction form
    486,781,421.09/730,165,753.76 = 118,315,302.93/x
  3. Step 3: Cross multiply
    486,781,421.09x = 730,165,753.76 × 118,315,302.93
  4. Step 4: Simplify right side
    486,781,421.09x = 86,389,782,344,634,608
  5. Step 5: Solve for x
    x = 86,389,782,344,634,608/486,781,421.09
  6. Step 6: Final answer
    x = 177,471,404.21

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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.