Home / 1,018,656,094.20-1,527,984,141.30-436,291,236.60

Finding the Fourth Proportional to 1,018,656,094.20, 1,527,984,141.30 and 436,291,236.60

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Solution

The fourth proportional to 1,018,656,094.20, 1,527,984,141.30 and 436,291,236.60 is: 654,436,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,656,094.20 : 1,527,984,141.30 = 436,291,236.60 : x
  2. Step 2: Convert to fraction form
    1,018,656,094.20/1,527,984,141.30 = 436,291,236.60/x
  3. Step 3: Cross multiply
    1,018,656,094.20x = 1,527,984,141.30 × 436,291,236.60
  4. Step 4: Simplify right side
    1,018,656,094.20x = 666,646,090,512,966,144
  5. Step 5: Solve for x
    x = 666,646,090,512,966,144/1,018,656,094.20
  6. Step 6: Final answer
    x = 654,436,854.90

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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.