Home / 1,150,495,526.90-1,587,690,834.28-621,858,173.42

Finding the Fourth Proportional to 1,150,495,526.90, 1,587,690,834.28 and 621,858,173.42

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Solution

The fourth proportional to 1,150,495,526.90, 1,587,690,834.28 and 621,858,173.42 is: 858,168,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,495,526.90 : 1,587,690,834.28 = 621,858,173.42 : x
  2. Step 2: Convert to fraction form
    1,150,495,526.90/1,587,690,834.28 = 621,858,173.42/x
  3. Step 3: Cross multiply
    1,150,495,526.90x = 1,587,690,834.28 × 621,858,173.42
  4. Step 4: Simplify right side
    1,150,495,526.90x = 987,318,522,161,036,672
  5. Step 5: Solve for x
    x = 987,318,522,161,036,672/1,150,495,526.90
  6. Step 6: Final answer
    x = 858,168,066.78

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Double scale
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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.