Home / 1,644,154,331.70-2,466,231,497.55-772,458,231.45

Finding the Fourth Proportional to 1,644,154,331.70, 2,466,231,497.55 and 772,458,231.45

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Solution

The fourth proportional to 1,644,154,331.70, 2,466,231,497.55 and 772,458,231.45 is: 1,158,687,347.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,154,331.70 : 2,466,231,497.55 = 772,458,231.45 : x
  2. Step 2: Convert to fraction form
    1,644,154,331.70/2,466,231,497.55 = 772,458,231.45/x
  3. Step 3: Cross multiply
    1,644,154,331.70x = 2,466,231,497.55 × 772,458,231.45
  4. Step 4: Simplify right side
    1,644,154,331.70x = 1,905,060,820,943,758,336
  5. Step 5: Solve for x
    x = 1,905,060,820,943,758,336/1,644,154,331.70
  6. Step 6: Final answer
    x = 1,158,687,347.18

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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.