Home / 983,189,074.92-1,356,801,467.76-531,067,040.17

Finding the Fourth Proportional to 983,189,074.92, 1,356,801,467.76 and 531,067,040.17

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Solution

The fourth proportional to 983,189,074.92, 1,356,801,467.76 and 531,067,040.17 is: 732,872,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,189,074.92 : 1,356,801,467.76 = 531,067,040.17 : x
  2. Step 2: Convert to fraction form
    983,189,074.92/1,356,801,467.76 = 531,067,040.17/x
  3. Step 3: Cross multiply
    983,189,074.92x = 1,356,801,467.76 × 531,067,040.17
  4. Step 4: Simplify right side
    983,189,074.92x = 720,552,539,581,614,848
  5. Step 5: Solve for x
    x = 720,552,539,581,614,848/983,189,074.92
  6. Step 6: Final answer
    x = 732,872,809.47

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1.5x scale

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.