Home / 487,074,442.08-672,212,828.53-296,348,999.70

Finding the Fourth Proportional to 487,074,442.08, 672,212,828.53 and 296,348,999.70

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Solution

The fourth proportional to 487,074,442.08, 672,212,828.53 and 296,348,999.70 is: 408,992,100.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,074,442.08 : 672,212,828.53 = 296,348,999.70 : x
  2. Step 2: Convert to fraction form
    487,074,442.08/672,212,828.53 = 296,348,999.70/x
  3. Step 3: Cross multiply
    487,074,442.08x = 672,212,828.53 × 296,348,999.70
  4. Step 4: Simplify right side
    487,074,442.08x = 199,209,599,318,891,360
  5. Step 5: Solve for x
    x = 199,209,599,318,891,360/487,074,442.08
  6. Step 6: Final answer
    x = 408,992,100.82

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