Home / 777,478,604.85-1,166,217,907.28-486,913,238.10

Finding the Fourth Proportional to 777,478,604.85, 1,166,217,907.28 and 486,913,238.10

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Solution

The fourth proportional to 777,478,604.85, 1,166,217,907.28 and 486,913,238.10 is: 730,369,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,478,604.85 : 1,166,217,907.28 = 486,913,238.10 : x
  2. Step 2: Convert to fraction form
    777,478,604.85/1,166,217,907.28 = 486,913,238.10/x
  3. Step 3: Cross multiply
    777,478,604.85x = 1,166,217,907.28 × 486,913,238.10
  4. Step 4: Simplify right side
    777,478,604.85x = 567,846,937,561,475,840
  5. Step 5: Solve for x
    x = 567,846,937,561,475,840/777,478,604.85
  6. Step 6: Final answer
    x = 730,369,857.15

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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.