Home / 1,347,226,479.60-2,020,839,719.40-984,429,423.60

Finding the Fourth Proportional to 1,347,226,479.60, 2,020,839,719.40 and 984,429,423.60

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Solution

The fourth proportional to 1,347,226,479.60, 2,020,839,719.40 and 984,429,423.60 is: 1,476,644,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,226,479.60 : 2,020,839,719.40 = 984,429,423.60 : x
  2. Step 2: Convert to fraction form
    1,347,226,479.60/2,020,839,719.40 = 984,429,423.60/x
  3. Step 3: Cross multiply
    1,347,226,479.60x = 2,020,839,719.40 × 984,429,423.60
  4. Step 4: Simplify right side
    1,347,226,479.60x = 1,989,374,080,156,928,000
  5. Step 5: Solve for x
    x = 1,989,374,080,156,928,000/1,347,226,479.60
  6. Step 6: Final answer
    x = 1,476,644,135.40

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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.