Home / 331,954,009.12-457,670,712.90-272,195,130.52

Finding the Fourth Proportional to 331,954,009.12, 457,670,712.90 and 272,195,130.52

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Solution

The fourth proportional to 331,954,009.12, 457,670,712.90 and 272,195,130.52 is: 375,280,117.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,954,009.12 : 457,670,712.90 = 272,195,130.52 : x
  2. Step 2: Convert to fraction form
    331,954,009.12/457,670,712.90 = 272,195,130.52/x
  3. Step 3: Cross multiply
    331,954,009.12x = 457,670,712.90 × 272,195,130.52
  4. Step 4: Simplify right side
    331,954,009.12x = 124,575,739,432,996,928
  5. Step 5: Solve for x
    x = 124,575,739,432,996,928/331,954,009.12
  6. Step 6: Final answer
    x = 375,280,117.16

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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.