Home / 916,282,242.66-1,374,846,062.10-418,445,372.91

Finding the Fourth Proportional to 916,282,242.66, 1,374,846,062.10 and 418,445,372.91

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Solution

The fourth proportional to 916,282,242.66, 1,374,846,062.10 and 418,445,372.91 is: 627,861,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,282,242.66 : 1,374,846,062.10 = 418,445,372.91 : x
  2. Step 2: Convert to fraction form
    916,282,242.66/1,374,846,062.10 = 418,445,372.91/x
  3. Step 3: Cross multiply
    916,282,242.66x = 1,374,846,062.10 × 418,445,372.91
  4. Step 4: Simplify right side
    916,282,242.66x = 575,297,973,149,279,488
  5. Step 5: Solve for x
    x = 575,297,973,149,279,488/916,282,242.66
  6. Step 6: Final answer
    x = 627,861,096.03

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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.