Home / 2,230,428,001.80-3,345,642,002.70-1,989,366,364.20

Finding the Fourth Proportional to 2,230,428,001.80, 3,345,642,002.70 and 1,989,366,364.20

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Solution

The fourth proportional to 2,230,428,001.80, 3,345,642,002.70 and 1,989,366,364.20 is: 2,984,049,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,428,001.80 : 3,345,642,002.70 = 1,989,366,364.20 : x
  2. Step 2: Convert to fraction form
    2,230,428,001.80/3,345,642,002.70 = 1,989,366,364.20/x
  3. Step 3: Cross multiply
    2,230,428,001.80x = 3,345,642,002.70 × 1,989,366,364.20
  4. Step 4: Simplify right side
    2,230,428,001.80x = 6,655,707,666,826,105,856
  5. Step 5: Solve for x
    x = 6,655,707,666,826,105,856/2,230,428,001.80
  6. Step 6: Final answer
    x = 2,984,049,546.30

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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.