Home / 1,010,993,902.80-1,516,490,854.20-397,598,139.60

Finding the Fourth Proportional to 1,010,993,902.80, 1,516,490,854.20 and 397,598,139.60

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Solution

The fourth proportional to 1,010,993,902.80, 1,516,490,854.20 and 397,598,139.60 is: 596,397,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,993,902.80 : 1,516,490,854.20 = 397,598,139.60 : x
  2. Step 2: Convert to fraction form
    1,010,993,902.80/1,516,490,854.20 = 397,598,139.60/x
  3. Step 3: Cross multiply
    1,010,993,902.80x = 1,516,490,854.20 × 397,598,139.60
  4. Step 4: Simplify right side
    1,010,993,902.80x = 602,953,942,350,334,848
  5. Step 5: Solve for x
    x = 602,953,942,350,334,848/1,010,993,902.80
  6. Step 6: Final answer
    x = 596,397,209.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.