Home / 358,169,631.20-537,254,446.80-280,235,448.80

Finding the Fourth Proportional to 358,169,631.20, 537,254,446.80 and 280,235,448.80

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Solution

The fourth proportional to 358,169,631.20, 537,254,446.80 and 280,235,448.80 is: 420,353,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,169,631.20 : 537,254,446.80 = 280,235,448.80 : x
  2. Step 2: Convert to fraction form
    358,169,631.20/537,254,446.80 = 280,235,448.80/x
  3. Step 3: Cross multiply
    358,169,631.20x = 537,254,446.80 × 280,235,448.80
  4. Step 4: Simplify right side
    358,169,631.20x = 150,557,741,018,793,728
  5. Step 5: Solve for x
    x = 150,557,741,018,793,728/358,169,631.20
  6. Step 6: Final answer
    x = 420,353,173.20

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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.