Home / 316,788,692.20-474,805,124.70-284,288,122.60

Finding the Fourth Proportional to 316,788,692.20, 474,805,124.70 and 284,288,122.60

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Solution

The fourth proportional to 316,788,692.20, 474,805,124.70 and 284,288,122.60 is: 426,093,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,788,692.20 : 474,805,124.70 = 284,288,122.60 : x
  2. Step 2: Convert to fraction form
    316,788,692.20/474,805,124.70 = 284,288,122.60/x
  3. Step 3: Cross multiply
    316,788,692.20x = 474,805,124.70 × 284,288,122.60
  4. Step 4: Simplify right side
    316,788,692.20x = 134,981,457,501,821,904
  5. Step 5: Solve for x
    x = 134,981,457,501,821,904/316,788,692.20
  6. Step 6: Final answer
    x = 426,093,041.91

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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.