Home / 1,227,528,096.90-1,841,292,145.35-840,107,607.90

Finding the Fourth Proportional to 1,227,528,096.90, 1,841,292,145.35 and 840,107,607.90

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Solution

The fourth proportional to 1,227,528,096.90, 1,841,292,145.35 and 840,107,607.90 is: 1,260,161,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,528,096.90 : 1,841,292,145.35 = 840,107,607.90 : x
  2. Step 2: Convert to fraction form
    1,227,528,096.90/1,841,292,145.35 = 840,107,607.90/x
  3. Step 3: Cross multiply
    1,227,528,096.90x = 1,841,292,145.35 × 840,107,607.90
  4. Step 4: Simplify right side
    1,227,528,096.90x = 1,546,883,539,675,047,424
  5. Step 5: Solve for x
    x = 1,546,883,539,675,047,424/1,227,528,096.90
  6. Step 6: Final answer
    x = 1,260,161,411.85

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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.