Home / 489,120,634.96-674,989,411.66-266,103,916.44

Finding the Fourth Proportional to 489,120,634.96, 674,989,411.66 and 266,103,916.44

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Solution

The fourth proportional to 489,120,634.96, 674,989,411.66 and 266,103,916.44 is: 367,225,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,120,634.96 : 674,989,411.66 = 266,103,916.44 : x
  2. Step 2: Convert to fraction form
    489,120,634.96/674,989,411.66 = 266,103,916.44/x
  3. Step 3: Cross multiply
    489,120,634.96x = 674,989,411.66 × 266,103,916.44
  4. Step 4: Simplify right side
    489,120,634.96x = 179,617,325,996,573,824
  5. Step 5: Solve for x
    x = 179,617,325,996,573,824/489,120,634.96
  6. Step 6: Final answer
    x = 367,225,001.69

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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.