Home / 1,615,942,066.52-2,229,999,043.92-873,386,129.28

Finding the Fourth Proportional to 1,615,942,066.52, 2,229,999,043.92 and 873,386,129.28

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Solution

The fourth proportional to 1,615,942,066.52, 2,229,999,043.92 and 873,386,129.28 is: 1,205,272,313.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,942,066.52 : 2,229,999,043.92 = 873,386,129.28 : x
  2. Step 2: Convert to fraction form
    1,615,942,066.52/2,229,999,043.92 = 873,386,129.28/x
  3. Step 3: Cross multiply
    1,615,942,066.52x = 2,229,999,043.92 × 873,386,129.28
  4. Step 4: Simplify right side
    1,615,942,066.52x = 1,947,650,233,267,389,440
  5. Step 5: Solve for x
    x = 1,947,650,233,267,389,440/1,615,942,066.52
  6. Step 6: Final answer
    x = 1,205,272,313.67

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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.