Home / 724,077,205.20-1,086,115,807.80-433,839,560.40

Finding the Fourth Proportional to 724,077,205.20, 1,086,115,807.80 and 433,839,560.40

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Solution

The fourth proportional to 724,077,205.20, 1,086,115,807.80 and 433,839,560.40 is: 650,759,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,077,205.20 : 1,086,115,807.80 = 433,839,560.40 : x
  2. Step 2: Convert to fraction form
    724,077,205.20/1,086,115,807.80 = 433,839,560.40/x
  3. Step 3: Cross multiply
    724,077,205.20x = 1,086,115,807.80 × 433,839,560.40
  4. Step 4: Simplify right side
    724,077,205.20x = 471,200,004,599,442,816
  5. Step 5: Solve for x
    x = 471,200,004,599,442,816/724,077,205.20
  6. Step 6: Final answer
    x = 650,759,340.60

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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.