Home / 384,912,312.30-577,368,468.45-345,945,221.10

Finding the Fourth Proportional to 384,912,312.30, 577,368,468.45 and 345,945,221.10

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Solution

The fourth proportional to 384,912,312.30, 577,368,468.45 and 345,945,221.10 is: 518,917,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,312.30 : 577,368,468.45 = 345,945,221.10 : x
  2. Step 2: Convert to fraction form
    384,912,312.30/577,368,468.45 = 345,945,221.10/x
  3. Step 3: Cross multiply
    384,912,312.30x = 577,368,468.45 × 345,945,221.10
  4. Step 4: Simplify right side
    384,912,312.30x = 199,737,862,474,103,648
  5. Step 5: Solve for x
    x = 199,737,862,474,103,648/384,912,312.30
  6. Step 6: Final answer
    x = 518,917,831.65

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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.