Home / 810,952,020.28-1,119,137,396.42-458,520,444.19

Finding the Fourth Proportional to 810,952,020.28, 1,119,137,396.42 and 458,520,444.19

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Solution

The fourth proportional to 810,952,020.28, 1,119,137,396.42 and 458,520,444.19 is: 632,771,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,952,020.28 : 1,119,137,396.42 = 458,520,444.19 : x
  2. Step 2: Convert to fraction form
    810,952,020.28/1,119,137,396.42 = 458,520,444.19/x
  3. Step 3: Cross multiply
    810,952,020.28x = 1,119,137,396.42 × 458,520,444.19
  4. Step 4: Simplify right side
    810,952,020.28x = 513,147,376,121,388,416
  5. Step 5: Solve for x
    x = 513,147,376,121,388,416/810,952,020.28
  6. Step 6: Final answer
    x = 632,771,561.43

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Double scale
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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.