Home / 870,822,251.40-1,304,441,786.70-440,243,358.60

Finding the Fourth Proportional to 870,822,251.40, 1,304,441,786.70 and 440,243,358.60

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Solution

The fourth proportional to 870,822,251.40, 1,304,441,786.70 and 440,243,358.60 is: 659,459,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,822,251.40 : 1,304,441,786.70 = 440,243,358.60 : x
  2. Step 2: Convert to fraction form
    870,822,251.40/1,304,441,786.70 = 440,243,358.60/x
  3. Step 3: Cross multiply
    870,822,251.40x = 1,304,441,786.70 × 440,243,358.60
  4. Step 4: Simplify right side
    870,822,251.40x = 574,271,833,274,992,832
  5. Step 5: Solve for x
    x = 574,271,833,274,992,832/870,822,251.40
  6. Step 6: Final answer
    x = 659,459,301.08

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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.