Home / 719,542,347.20-1,079,313,384.64-392,293,051.84

Finding the Fourth Proportional to 719,542,347.20, 1,079,313,384.64 and 392,293,051.84

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Solution

The fourth proportional to 719,542,347.20, 1,079,313,384.64 and 392,293,051.84 is: 588,439,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,542,347.20 : 1,079,313,384.64 = 392,293,051.84 : x
  2. Step 2: Convert to fraction form
    719,542,347.20/1,079,313,384.64 = 392,293,051.84/x
  3. Step 3: Cross multiply
    719,542,347.20x = 1,079,313,384.64 × 392,293,051.84
  4. Step 4: Simplify right side
    719,542,347.20x = 423,407,141,552,185,408
  5. Step 5: Solve for x
    x = 423,407,141,552,185,408/719,542,347.20
  6. Step 6: Final answer
    x = 588,439,503.53

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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.