Home / 280,492,083.90-420,738,125.85-232,716,339.90

Finding the Fourth Proportional to 280,492,083.90, 420,738,125.85 and 232,716,339.90

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Solution

The fourth proportional to 280,492,083.90, 420,738,125.85 and 232,716,339.90 is: 349,074,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,492,083.90 : 420,738,125.85 = 232,716,339.90 : x
  2. Step 2: Convert to fraction form
    280,492,083.90/420,738,125.85 = 232,716,339.90/x
  3. Step 3: Cross multiply
    280,492,083.90x = 420,738,125.85 × 232,716,339.90
  4. Step 4: Simplify right side
    280,492,083.90x = 97,912,636,704,197,584
  5. Step 5: Solve for x
    x = 97,912,636,704,197,584/280,492,083.90
  6. Step 6: Final answer
    x = 349,074,509.85

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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.