Home / 1,488,206,316.89-2,053,708,419.42-819,137,056.97

Finding the Fourth Proportional to 1,488,206,316.89, 2,053,708,419.42 and 819,137,056.97

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Solution

The fourth proportional to 1,488,206,316.89, 2,053,708,419.42 and 819,137,056.97 is: 1,130,400,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,206,316.89 : 2,053,708,419.42 = 819,137,056.97 : x
  2. Step 2: Convert to fraction form
    1,488,206,316.89/2,053,708,419.42 = 819,137,056.97/x
  3. Step 3: Cross multiply
    1,488,206,316.89x = 2,053,708,419.42 × 819,137,056.97
  4. Step 4: Simplify right side
    1,488,206,316.89x = 1,682,268,670,563,343,360
  5. Step 5: Solve for x
    x = 1,682,268,670,563,343,360/1,488,206,316.89
  6. Step 6: Final answer
    x = 1,130,400,167.95

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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.