Home / 887,123,114.20-1,330,684,671.30-657,540,602.20

Finding the Fourth Proportional to 887,123,114.20, 1,330,684,671.30 and 657,540,602.20

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Solution

The fourth proportional to 887,123,114.20, 1,330,684,671.30 and 657,540,602.20 is: 986,310,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,123,114.20 : 1,330,684,671.30 = 657,540,602.20 : x
  2. Step 2: Convert to fraction form
    887,123,114.20/1,330,684,671.30 = 657,540,602.20/x
  3. Step 3: Cross multiply
    887,123,114.20x = 1,330,684,671.30 × 657,540,602.20
  4. Step 4: Simplify right side
    887,123,114.20x = 874,979,200,104,911,104
  5. Step 5: Solve for x
    x = 874,979,200,104,911,104/887,123,114.20
  6. Step 6: Final answer
    x = 986,310,903.30

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Double scale
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Similar ratio
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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.