Home / 601,695,836.84-830,034,664.26-392,974,155.56

Finding the Fourth Proportional to 601,695,836.84, 830,034,664.26 and 392,974,155.56

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Solution

The fourth proportional to 601,695,836.84, 830,034,664.26 and 392,974,155.56 is: 542,104,750.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,695,836.84 : 830,034,664.26 = 392,974,155.56 : x
  2. Step 2: Convert to fraction form
    601,695,836.84/830,034,664.26 = 392,974,155.56/x
  3. Step 3: Cross multiply
    601,695,836.84x = 830,034,664.26 × 392,974,155.56
  4. Step 4: Simplify right side
    601,695,836.84x = 326,182,171,273,101,632
  5. Step 5: Solve for x
    x = 326,182,171,273,101,632/601,695,836.84
  6. Step 6: Final answer
    x = 542,104,750.11

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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.