Home / 483,987,638.60-726,264,893.10-177,310,752.20

Finding the Fourth Proportional to 483,987,638.60, 726,264,893.10 and 177,310,752.20

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Solution

The fourth proportional to 483,987,638.60, 726,264,893.10 and 177,310,752.20 is: 266,069,965.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,987,638.60 : 726,264,893.10 = 177,310,752.20 : x
  2. Step 2: Convert to fraction form
    483,987,638.60/726,264,893.10 = 177,310,752.20/x
  3. Step 3: Cross multiply
    483,987,638.60x = 726,264,893.10 × 177,310,752.20
  4. Step 4: Simplify right side
    483,987,638.60x = 128,774,574,492,013,584
  5. Step 5: Solve for x
    x = 128,774,574,492,013,584/483,987,638.60
  6. Step 6: Final answer
    x = 266,069,965.89

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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.