Home / 825,984,057.60-1,238,976,086.40-578,744,582.40

Finding the Fourth Proportional to 825,984,057.60, 1,238,976,086.40 and 578,744,582.40

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Solution

The fourth proportional to 825,984,057.60, 1,238,976,086.40 and 578,744,582.40 is: 868,116,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,984,057.60 : 1,238,976,086.40 = 578,744,582.40 : x
  2. Step 2: Convert to fraction form
    825,984,057.60/1,238,976,086.40 = 578,744,582.40/x
  3. Step 3: Cross multiply
    825,984,057.60x = 1,238,976,086.40 × 578,744,582.40
  4. Step 4: Simplify right side
    825,984,057.60x = 717,050,697,727,154,304
  5. Step 5: Solve for x
    x = 717,050,697,727,154,304/825,984,057.60
  6. Step 6: Final answer
    x = 868,116,873.60

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Double scale
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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.