Home / 977,356,134.60-1,466,034,201.90-518,191,110.60

Finding the Fourth Proportional to 977,356,134.60, 1,466,034,201.90 and 518,191,110.60

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Solution

The fourth proportional to 977,356,134.60, 1,466,034,201.90 and 518,191,110.60 is: 777,286,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,356,134.60 : 1,466,034,201.90 = 518,191,110.60 : x
  2. Step 2: Convert to fraction form
    977,356,134.60/1,466,034,201.90 = 518,191,110.60/x
  3. Step 3: Cross multiply
    977,356,134.60x = 1,466,034,201.90 × 518,191,110.60
  4. Step 4: Simplify right side
    977,356,134.60x = 759,685,891,260,145,664
  5. Step 5: Solve for x
    x = 759,685,891,260,145,664/977,356,134.60
  6. Step 6: Final answer
    x = 777,286,665.90

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Similar ratio
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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.