Home / 777,478,595.10-1,166,217,892.65-486,913,228.35

Finding the Fourth Proportional to 777,478,595.10, 1,166,217,892.65 and 486,913,228.35

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Solution

The fourth proportional to 777,478,595.10, 1,166,217,892.65 and 486,913,228.35 is: 730,369,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,478,595.10 : 1,166,217,892.65 = 486,913,228.35 : x
  2. Step 2: Convert to fraction form
    777,478,595.10/1,166,217,892.65 = 486,913,228.35/x
  3. Step 3: Cross multiply
    777,478,595.10x = 1,166,217,892.65 × 486,913,228.35
  4. Step 4: Simplify right side
    777,478,595.10x = 567,846,919,069,745,280
  5. Step 5: Solve for x
    x = 567,846,919,069,745,280/777,478,595.10
  6. Step 6: Final answer
    x = 730,369,842.53

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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.