Home / 6,478,532,873.74-8,940,383,987.79-3,508,314,247.18

Finding the Fourth Proportional to 6,478,532,873.74, 8,940,383,987.79 and 3,508,314,247.18

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Solution

The fourth proportional to 6,478,532,873.74, 8,940,383,987.79 and 3,508,314,247.18 is: 4,841,478,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,532,873.74 : 8,940,383,987.79 = 3,508,314,247.18 : x
  2. Step 2: Convert to fraction form
    6,478,532,873.74/8,940,383,987.79 = 3,508,314,247.18/x
  3. Step 3: Cross multiply
    6,478,532,873.74x = 8,940,383,987.79 × 3,508,314,247.18
  4. Step 4: Simplify right side
    6,478,532,873.74x = 31,365,676,519,623,602,176
  5. Step 5: Solve for x
    x = 31,365,676,519,623,602,176/6,478,532,873.74
  6. Step 6: Final answer
    x = 4,841,478,330.19

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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.