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Finding the Fourth Proportional to 1,062,909,000.20, 1,594,363,500.30 and 914,955,825.80

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Solution

The fourth proportional to 1,062,909,000.20, 1,594,363,500.30 and 914,955,825.80 is: 1,372,433,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,909,000.20 : 1,594,363,500.30 = 914,955,825.80 : x
  2. Step 2: Convert to fraction form
    1,062,909,000.20/1,594,363,500.30 = 914,955,825.80/x
  3. Step 3: Cross multiply
    1,062,909,000.20x = 1,594,363,500.30 × 914,955,825.80
  4. Step 4: Simplify right side
    1,062,909,000.20x = 1,458,772,173,042,364,928
  5. Step 5: Solve for x
    x = 1,458,772,173,042,364,928/1,062,909,000.20
  6. Step 6: Final answer
    x = 1,372,433,738.70

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1.5x scale

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.