Home / 850,147,001.46-1,173,155,425.92-468,656,728.20

Finding the Fourth Proportional to 850,147,001.46, 1,173,155,425.92 and 468,656,728.20

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Solution

The fourth proportional to 850,147,001.46, 1,173,155,425.92 and 468,656,728.20 is: 646,720,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,147,001.46 : 1,173,155,425.92 = 468,656,728.20 : x
  2. Step 2: Convert to fraction form
    850,147,001.46/1,173,155,425.92 = 468,656,728.20/x
  3. Step 3: Cross multiply
    850,147,001.46x = 1,173,155,425.92 × 468,656,728.20
  4. Step 4: Simplify right side
    850,147,001.46x = 549,807,183,581,744,704
  5. Step 5: Solve for x
    x = 549,807,183,581,744,704/850,147,001.46
  6. Step 6: Final answer
    x = 646,720,135.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.