Home / 495,492,130.46-683,611,774.94-280,887,752.23

Finding the Fourth Proportional to 495,492,130.46, 683,611,774.94 and 280,887,752.23

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Solution

The fourth proportional to 495,492,130.46, 683,611,774.94 and 280,887,752.23 is: 387,530,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,492,130.46 : 683,611,774.94 = 280,887,752.23 : x
  2. Step 2: Convert to fraction form
    495,492,130.46/683,611,774.94 = 280,887,752.23/x
  3. Step 3: Cross multiply
    495,492,130.46x = 683,611,774.94 × 280,887,752.23
  4. Step 4: Simplify right side
    495,492,130.46x = 192,018,174,859,850,432
  5. Step 5: Solve for x
    x = 192,018,174,859,850,432/495,492,130.46
  6. Step 6: Final answer
    x = 387,530,221.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.