Home / 810,952,023.27-1,119,137,400.57-458,520,447.18

Finding the Fourth Proportional to 810,952,023.27, 1,119,137,400.57 and 458,520,447.18

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Solution

The fourth proportional to 810,952,023.27, 1,119,137,400.57 and 458,520,447.18 is: 632,771,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,952,023.27 : 1,119,137,400.57 = 458,520,447.18 : x
  2. Step 2: Convert to fraction form
    810,952,023.27/1,119,137,400.57 = 458,520,447.18/x
  3. Step 3: Cross multiply
    810,952,023.27x = 1,119,137,400.57 × 458,520,447.18
  4. Step 4: Simplify right side
    810,952,023.27x = 513,147,381,365,219,136
  5. Step 5: Solve for x
    x = 513,147,381,365,219,136/810,952,023.27
  6. Step 6: Final answer
    x = 632,771,565.57

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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.