Home / 887,124,904.20-1,330,687,356.30-657,542,392.20

Finding the Fourth Proportional to 887,124,904.20, 1,330,687,356.30 and 657,542,392.20

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Solution

The fourth proportional to 887,124,904.20, 1,330,687,356.30 and 657,542,392.20 is: 986,313,588.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,124,904.20 : 1,330,687,356.30 = 657,542,392.20 : x
  2. Step 2: Convert to fraction form
    887,124,904.20/1,330,687,356.30 = 657,542,392.20/x
  3. Step 3: Cross multiply
    887,124,904.20x = 1,330,687,356.30 × 657,542,392.20
  4. Step 4: Simplify right side
    887,124,904.20x = 874,983,347,531,795,712
  5. Step 5: Solve for x
    x = 874,983,347,531,795,712/887,124,904.20
  6. Step 6: Final answer
    x = 986,313,588.30

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1.5x scale

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.