Home / 810,952,025.77-1,119,137,404.02-458,520,449.68

Finding the Fourth Proportional to 810,952,025.77, 1,119,137,404.02 and 458,520,449.68

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Solution

The fourth proportional to 810,952,025.77, 1,119,137,404.02 and 458,520,449.68 is: 632,771,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,952,025.77 : 1,119,137,404.02 = 458,520,449.68 : x
  2. Step 2: Convert to fraction form
    810,952,025.77/1,119,137,404.02 = 458,520,449.68/x
  3. Step 3: Cross multiply
    810,952,025.77x = 1,119,137,404.02 × 458,520,449.68
  4. Step 4: Simplify right side
    810,952,025.77x = 513,147,385,744,958,208
  5. Step 5: Solve for x
    x = 513,147,385,744,958,208/810,952,025.77
  6. Step 6: Final answer
    x = 632,771,569.02

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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.