Home / 887,124,141.20-1,330,686,211.80-657,541,629.20

Finding the Fourth Proportional to 887,124,141.20, 1,330,686,211.80 and 657,541,629.20

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Solution

The fourth proportional to 887,124,141.20, 1,330,686,211.80 and 657,541,629.20 is: 986,312,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,124,141.20 : 1,330,686,211.80 = 657,541,629.20 : x
  2. Step 2: Convert to fraction form
    887,124,141.20/1,330,686,211.80 = 657,541,629.20/x
  3. Step 3: Cross multiply
    887,124,141.20x = 1,330,686,211.80 × 657,541,629.20
  4. Step 4: Simplify right side
    887,124,141.20x = 874,981,579,660,948,352
  5. Step 5: Solve for x
    x = 874,981,579,660,948,352/887,124,141.20
  6. Step 6: Final answer
    x = 986,312,443.80

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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.