Home / 873,132,570.74-1,205,355,053.84-538,789,251.03

Finding the Fourth Proportional to 873,132,570.74, 1,205,355,053.84 and 538,789,251.03

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Solution

The fourth proportional to 873,132,570.74, 1,205,355,053.84 and 538,789,251.03 is: 743,795,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,132,570.74 : 1,205,355,053.84 = 538,789,251.03 : x
  2. Step 2: Convert to fraction form
    873,132,570.74/1,205,355,053.84 = 538,789,251.03/x
  3. Step 3: Cross multiply
    873,132,570.74x = 1,205,355,053.84 × 538,789,251.03
  4. Step 4: Simplify right side
    873,132,570.74x = 649,432,346,680,984,960
  5. Step 5: Solve for x
    x = 649,432,346,680,984,960/873,132,570.74
  6. Step 6: Final answer
    x = 743,795,808.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.