Home / 577,287,739.60-865,931,609.40-189,123,233.20

Finding the Fourth Proportional to 577,287,739.60, 865,931,609.40 and 189,123,233.20

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Solution

The fourth proportional to 577,287,739.60, 865,931,609.40 and 189,123,233.20 is: 283,684,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,287,739.60 : 865,931,609.40 = 189,123,233.20 : x
  2. Step 2: Convert to fraction form
    577,287,739.60/865,931,609.40 = 189,123,233.20/x
  3. Step 3: Cross multiply
    577,287,739.60x = 865,931,609.40 × 189,123,233.20
  4. Step 4: Simplify right side
    577,287,739.60x = 163,767,785,699,807,488
  5. Step 5: Solve for x
    x = 163,767,785,699,807,488/577,287,739.60
  6. Step 6: Final answer
    x = 283,684,849.80

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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.