Home / 668,828,003.55-1,003,242,005.33-436,375,710.15

Finding the Fourth Proportional to 668,828,003.55, 1,003,242,005.33 and 436,375,710.15

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Solution

The fourth proportional to 668,828,003.55, 1,003,242,005.33 and 436,375,710.15 is: 654,563,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,828,003.55 : 1,003,242,005.33 = 436,375,710.15 : x
  2. Step 2: Convert to fraction form
    668,828,003.55/1,003,242,005.33 = 436,375,710.15/x
  3. Step 3: Cross multiply
    668,828,003.55x = 1,003,242,005.33 × 436,375,710.15
  4. Step 4: Simplify right side
    668,828,003.55x = 437,790,442,526,006,976
  5. Step 5: Solve for x
    x = 437,790,442,526,006,976/668,828,003.55
  6. Step 6: Final answer
    x = 654,563,565.23

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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.