Home / 277,612,780.46-383,105,641.16-153,861,429.20

Finding the Fourth Proportional to 277,612,780.46, 383,105,641.16 and 153,861,429.20

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Solution

The fourth proportional to 277,612,780.46, 383,105,641.16 and 153,861,429.20 is: 212,328,774.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,612,780.46 : 383,105,641.16 = 153,861,429.20 : x
  2. Step 2: Convert to fraction form
    277,612,780.46/383,105,641.16 = 153,861,429.20/x
  3. Step 3: Cross multiply
    277,612,780.46x = 383,105,641.16 × 153,861,429.20
  4. Step 4: Simplify right side
    277,612,780.46x = 58,945,181,483,459,944
  5. Step 5: Solve for x
    x = 58,945,181,483,459,944/277,612,780.46
  6. Step 6: Final answer
    x = 212,328,774.58

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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.