Home / 1,615,342,916.95-2,229,173,229.68-872,786,979.70

Finding the Fourth Proportional to 1,615,342,916.95, 2,229,173,229.68 and 872,786,979.70

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Solution

The fourth proportional to 1,615,342,916.95, 2,229,173,229.68 and 872,786,979.70 is: 1,204,446,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,342,916.95 : 2,229,173,229.68 = 872,786,979.70 : x
  2. Step 2: Convert to fraction form
    1,615,342,916.95/2,229,173,229.68 = 872,786,979.70/x
  3. Step 3: Cross multiply
    1,615,342,916.95x = 2,229,173,229.68 × 872,786,979.70
  4. Step 4: Simplify right side
    1,615,342,916.95x = 1,945,593,370,353,881,344
  5. Step 5: Solve for x
    x = 1,945,593,370,353,881,344/1,615,342,916.95
  6. Step 6: Final answer
    x = 1,204,446,034.30

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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.