Home / 1,245,132,003.60-1,865,682,466.20-784,245,373.20

Finding the Fourth Proportional to 1,245,132,003.60, 1,865,682,466.20 and 784,245,373.20

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Solution

The fourth proportional to 1,245,132,003.60, 1,865,682,466.20 and 784,245,373.20 is: 1,175,098,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,132,003.60 : 1,865,682,466.20 = 784,245,373.20 : x
  2. Step 2: Convert to fraction form
    1,245,132,003.60/1,865,682,466.20 = 784,245,373.20/x
  3. Step 3: Cross multiply
    1,245,132,003.60x = 1,865,682,466.20 × 784,245,373.20
  4. Step 4: Simplify right side
    1,245,132,003.60x = 1,463,152,841,977,715,456
  5. Step 5: Solve for x
    x = 1,463,152,841,977,715,456/1,245,132,003.60
  6. Step 6: Final answer
    x = 1,175,098,574.08

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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.