Home / 314,928,457.20-472,392,685.80-192,484,450.80

Finding the Fourth Proportional to 314,928,457.20, 472,392,685.80 and 192,484,450.80

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Solution

The fourth proportional to 314,928,457.20, 472,392,685.80 and 192,484,450.80 is: 288,726,676.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,457.20 : 472,392,685.80 = 192,484,450.80 : x
  2. Step 2: Convert to fraction form
    314,928,457.20/472,392,685.80 = 192,484,450.80/x
  3. Step 3: Cross multiply
    314,928,457.20x = 472,392,685.80 × 192,484,450.80
  4. Step 4: Simplify right side
    314,928,457.20x = 90,928,246,688,149,968
  5. Step 5: Solve for x
    x = 90,928,246,688,149,968/314,928,457.20
  6. Step 6: Final answer
    x = 288,726,676.20

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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.