Home / 7,091,712,010.40-10,637,568,015.60-1,921,853,962.40

Finding the Fourth Proportional to 7,091,712,010.40, 10,637,568,015.60 and 1,921,853,962.40

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Solution

The fourth proportional to 7,091,712,010.40, 10,637,568,015.60 and 1,921,853,962.40 is: 2,882,780,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091,712,010.40 : 10,637,568,015.60 = 1,921,853,962.40 : x
  2. Step 2: Convert to fraction form
    7,091,712,010.40/10,637,568,015.60 = 1,921,853,962.40/x
  3. Step 3: Cross multiply
    7,091,712,010.40x = 10,637,568,015.60 × 1,921,853,962.40
  4. Step 4: Simplify right side
    7,091,712,010.40x = 20,443,852,241,080,365,056
  5. Step 5: Solve for x
    x = 20,443,852,241,080,365,056/7,091,712,010.40
  6. Step 6: Final answer
    x = 2,882,780,943.60

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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.