Home / 280,896,769.84-420,885,039.48-149,599,645.24

Finding the Fourth Proportional to 280,896,769.84, 420,885,039.48 and 149,599,645.24

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Solution

The fourth proportional to 280,896,769.84, 420,885,039.48 and 149,599,645.24 is: 224,154,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,896,769.84 : 420,885,039.48 = 149,599,645.24 : x
  2. Step 2: Convert to fraction form
    280,896,769.84/420,885,039.48 = 149,599,645.24/x
  3. Step 3: Cross multiply
    280,896,769.84x = 420,885,039.48 × 149,599,645.24
  4. Step 4: Simplify right side
    280,896,769.84x = 62,964,252,593,031,400
  5. Step 5: Solve for x
    x = 62,964,252,593,031,400/280,896,769.84
  6. Step 6: Final answer
    x = 224,154,420.25

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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.