Home / 711,706,015.20-1,067,559,022.80-436,207,000.80

Finding the Fourth Proportional to 711,706,015.20, 1,067,559,022.80 and 436,207,000.80

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Solution

The fourth proportional to 711,706,015.20, 1,067,559,022.80 and 436,207,000.80 is: 654,310,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,706,015.20 : 1,067,559,022.80 = 436,207,000.80 : x
  2. Step 2: Convert to fraction form
    711,706,015.20/1,067,559,022.80 = 436,207,000.80/x
  3. Step 3: Cross multiply
    711,706,015.20x = 1,067,559,022.80 × 436,207,000.80
  4. Step 4: Simplify right side
    711,706,015.20x = 465,676,719,512,566,784
  5. Step 5: Solve for x
    x = 465,676,719,512,566,784/711,706,015.20
  6. Step 6: Final answer
    x = 654,310,501.20

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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.