Home / 558,636,251.40-836,519,486.40-442,888,401.60

Finding the Fourth Proportional to 558,636,251.40, 836,519,486.40 and 442,888,401.60

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Solution

The fourth proportional to 558,636,251.40, 836,519,486.40 and 442,888,401.60 is: 663,195,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,636,251.40 : 836,519,486.40 = 442,888,401.60 : x
  2. Step 2: Convert to fraction form
    558,636,251.40/836,519,486.40 = 442,888,401.60/x
  3. Step 3: Cross multiply
    558,636,251.40x = 836,519,486.40 × 442,888,401.60
  4. Step 4: Simplify right side
    558,636,251.40x = 370,484,778,238,948,928
  5. Step 5: Solve for x
    x = 370,484,778,238,948,928/558,636,251.40
  6. Step 6: Final answer
    x = 663,195,016.99

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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.