Home / 747,129,688.40-1,120,694,532.60-262,455,496.40

Finding the Fourth Proportional to 747,129,688.40, 1,120,694,532.60 and 262,455,496.40

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Solution

The fourth proportional to 747,129,688.40, 1,120,694,532.60 and 262,455,496.40 is: 393,683,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,129,688.40 : 1,120,694,532.60 = 262,455,496.40 : x
  2. Step 2: Convert to fraction form
    747,129,688.40/1,120,694,532.60 = 262,455,496.40/x
  3. Step 3: Cross multiply
    747,129,688.40x = 1,120,694,532.60 × 262,455,496.40
  4. Step 4: Simplify right side
    747,129,688.40x = 294,132,439,866,298,944
  5. Step 5: Solve for x
    x = 294,132,439,866,298,944/747,129,688.40
  6. Step 6: Final answer
    x = 393,683,244.60

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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.