Home / 4,727,809,363.20-7,091,714,044.80-2,147,919,187.20

Finding the Fourth Proportional to 4,727,809,363.20, 7,091,714,044.80 and 2,147,919,187.20

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Solution

The fourth proportional to 4,727,809,363.20, 7,091,714,044.80 and 2,147,919,187.20 is: 3,221,878,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727,809,363.20 : 7,091,714,044.80 = 2,147,919,187.20 : x
  2. Step 2: Convert to fraction form
    4,727,809,363.20/7,091,714,044.80 = 2,147,919,187.20/x
  3. Step 3: Cross multiply
    4,727,809,363.20x = 7,091,714,044.80 × 2,147,919,187.20
  4. Step 4: Simplify right side
    4,727,809,363.20x = 15,232,428,666,961,639,424
  5. Step 5: Solve for x
    x = 15,232,428,666,961,639,424/4,727,809,363.20
  6. Step 6: Final answer
    x = 3,221,878,780.80

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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.