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Finding the Fourth Proportional to 705,168,873.60, 1,057,753,310.40 and 705,168,873.60

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Solution

The fourth proportional to 705,168,873.60, 1,057,753,310.40 and 705,168,873.60 is: 1,057,753,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,168,873.60 : 1,057,753,310.40 = 705,168,873.60 : x
  2. Step 2: Convert to fraction form
    705,168,873.60/1,057,753,310.40 = 705,168,873.60/x
  3. Step 3: Cross multiply
    705,168,873.60x = 1,057,753,310.40 × 705,168,873.60
  4. Step 4: Simplify right side
    705,168,873.60x = 745,894,710,441,439,232
  5. Step 5: Solve for x
    x = 745,894,710,441,439,232/705,168,873.60
  6. Step 6: Final answer
    x = 1,057,753,310.40

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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.