Home / 552,974,820.90-763,128,424.62-318,025,640.40

Finding the Fourth Proportional to 552,974,820.90, 763,128,424.62 and 318,025,640.40

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Solution

The fourth proportional to 552,974,820.90, 763,128,424.62 and 318,025,640.40 is: 438,888,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,974,820.90 : 763,128,424.62 = 318,025,640.40 : x
  2. Step 2: Convert to fraction form
    552,974,820.90/763,128,424.62 = 318,025,640.40/x
  3. Step 3: Cross multiply
    552,974,820.90x = 763,128,424.62 × 318,025,640.40
  4. Step 4: Simplify right side
    552,974,820.90x = 242,694,405,947,218,624
  5. Step 5: Solve for x
    x = 242,694,405,947,218,624/552,974,820.90
  6. Step 6: Final answer
    x = 438,888,710.25

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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.