Home / 800,778,833.40-1,201,168,250.10-283,793,028.60

Finding the Fourth Proportional to 800,778,833.40, 1,201,168,250.10 and 283,793,028.60

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Solution

The fourth proportional to 800,778,833.40, 1,201,168,250.10 and 283,793,028.60 is: 425,689,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,778,833.40 : 1,201,168,250.10 = 283,793,028.60 : x
  2. Step 2: Convert to fraction form
    800,778,833.40/1,201,168,250.10 = 283,793,028.60/x
  3. Step 3: Cross multiply
    800,778,833.40x = 1,201,168,250.10 × 283,793,028.60
  4. Step 4: Simplify right side
    800,778,833.40x = 340,883,175,554,041,280
  5. Step 5: Solve for x
    x = 340,883,175,554,041,280/800,778,833.40
  6. Step 6: Final answer
    x = 425,689,542.90

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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.