Home / 887,123,118.20-1,330,684,677.30-657,540,606.20

Finding the Fourth Proportional to 887,123,118.20, 1,330,684,677.30 and 657,540,606.20

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Solution

The fourth proportional to 887,123,118.20, 1,330,684,677.30 and 657,540,606.20 is: 986,310,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,123,118.20 : 1,330,684,677.30 = 657,540,606.20 : x
  2. Step 2: Convert to fraction form
    887,123,118.20/1,330,684,677.30 = 657,540,606.20/x
  3. Step 3: Cross multiply
    887,123,118.20x = 1,330,684,677.30 × 657,540,606.20
  4. Step 4: Simplify right side
    887,123,118.20x = 874,979,209,372,893,440
  5. Step 5: Solve for x
    x = 874,979,209,372,893,440/887,123,118.20
  6. Step 6: Final answer
    x = 986,310,909.30

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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.