Home / 572,287,289.60-858,430,934.40-141,465,785.60

Finding the Fourth Proportional to 572,287,289.60, 858,430,934.40 and 141,465,785.60

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Solution

The fourth proportional to 572,287,289.60, 858,430,934.40 and 141,465,785.60 is: 212,198,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,287,289.60 : 858,430,934.40 = 141,465,785.60 : x
  2. Step 2: Convert to fraction form
    572,287,289.60/858,430,934.40 = 141,465,785.60/x
  3. Step 3: Cross multiply
    572,287,289.60x = 858,430,934.40 × 141,465,785.60
  4. Step 4: Simplify right side
    572,287,289.60x = 121,438,606,518,238,064
  5. Step 5: Solve for x
    x = 121,438,606,518,238,064/572,287,289.60
  6. Step 6: Final answer
    x = 212,198,678.40

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Double scale
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Similar ratio
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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.