Home / 1,279,276,099.91-1,765,492,371.78-707,046,842.25

Finding the Fourth Proportional to 1,279,276,099.91, 1,765,492,371.78 and 707,046,842.25

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Solution

The fourth proportional to 1,279,276,099.91, 1,765,492,371.78 and 707,046,842.25 is: 975,775,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,276,099.91 : 1,765,492,371.78 = 707,046,842.25 : x
  2. Step 2: Convert to fraction form
    1,279,276,099.91/1,765,492,371.78 = 707,046,842.25/x
  3. Step 3: Cross multiply
    1,279,276,099.91x = 1,765,492,371.78 × 707,046,842.25
  4. Step 4: Simplify right side
    1,279,276,099.91x = 1,248,285,806,483,512,064
  5. Step 5: Solve for x
    x = 1,248,285,806,483,512,064/1,279,276,099.91
  6. Step 6: Final answer
    x = 975,775,132.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.