Home / 1,386,836,495.74-2,080,969,947.45-649,981,259.68

Finding the Fourth Proportional to 1,386,836,495.74, 2,080,969,947.45 and 649,981,259.68

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Solution

The fourth proportional to 1,386,836,495.74, 2,080,969,947.45 and 649,981,259.68 is: 975,307,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,836,495.74 : 2,080,969,947.45 = 649,981,259.68 : x
  2. Step 2: Convert to fraction form
    1,386,836,495.74/2,080,969,947.45 = 649,981,259.68/x
  3. Step 3: Cross multiply
    1,386,836,495.74x = 2,080,969,947.45 × 649,981,259.68
  4. Step 4: Simplify right side
    1,386,836,495.74x = 1,352,591,467,799,774,208
  5. Step 5: Solve for x
    x = 1,352,591,467,799,774,208/1,386,836,495.74
  6. Step 6: Final answer
    x = 975,307,090.60

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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.