Home / 489,888,002.10-734,832,003.15-440,003,406.90

Finding the Fourth Proportional to 489,888,002.10, 734,832,003.15 and 440,003,406.90

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Solution

The fourth proportional to 489,888,002.10, 734,832,003.15 and 440,003,406.90 is: 660,005,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,888,002.10 : 734,832,003.15 = 440,003,406.90 : x
  2. Step 2: Convert to fraction form
    489,888,002.10/734,832,003.15 = 440,003,406.90/x
  3. Step 3: Cross multiply
    489,888,002.10x = 734,832,003.15 × 440,003,406.90
  4. Step 4: Simplify right side
    489,888,002.10x = 323,328,584,885,151,488
  5. Step 5: Solve for x
    x = 323,328,584,885,151,488/489,888,002.10
  6. Step 6: Final answer
    x = 660,005,110.35

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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.