Home / 1,489,107,964.30-2,233,661,946.45-989,766,000.70

Finding the Fourth Proportional to 1,489,107,964.30, 2,233,661,946.45 and 989,766,000.70

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Solution

The fourth proportional to 1,489,107,964.30, 2,233,661,946.45 and 989,766,000.70 is: 1,484,649,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,107,964.30 : 2,233,661,946.45 = 989,766,000.70 : x
  2. Step 2: Convert to fraction form
    1,489,107,964.30/2,233,661,946.45 = 989,766,000.70/x
  3. Step 3: Cross multiply
    1,489,107,964.30x = 2,233,661,946.45 × 989,766,000.70
  4. Step 4: Simplify right side
    1,489,107,964.30x = 2,210,802,651,653,593,856
  5. Step 5: Solve for x
    x = 2,210,802,651,653,593,856/1,489,107,964.30
  6. Step 6: Final answer
    x = 1,484,649,001.05

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Double scale
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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.