Home / 708,810,611.74-1,063,211,456.13-381,440,331.34

Finding the Fourth Proportional to 708,810,611.74, 1,063,211,456.13 and 381,440,331.34

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Solution

The fourth proportional to 708,810,611.74, 1,063,211,456.13 and 381,440,331.34 is: 572,158,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,810,611.74 : 1,063,211,456.13 = 381,440,331.34 : x
  2. Step 2: Convert to fraction form
    708,810,611.74/1,063,211,456.13 = 381,440,331.34/x
  3. Step 3: Cross multiply
    708,810,611.74x = 1,063,211,456.13 × 381,440,331.34
  4. Step 4: Simplify right side
    708,810,611.74x = 405,551,730,110,711,040
  5. Step 5: Solve for x
    x = 405,551,730,110,711,040/708,810,611.74
  6. Step 6: Final answer
    x = 572,158,096.10

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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.