Home / 522,783,965.74-784,261,130.34-154,356,160.92

Finding the Fourth Proportional to 522,783,965.74, 784,261,130.34 and 154,356,160.92

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Solution

The fourth proportional to 522,783,965.74, 784,261,130.34 and 154,356,160.92 is: 231,559,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,783,965.74 : 784,261,130.34 = 154,356,160.92 : x
  2. Step 2: Convert to fraction form
    522,783,965.74/784,261,130.34 = 154,356,160.92/x
  3. Step 3: Cross multiply
    522,783,965.74x = 784,261,130.34 × 154,356,160.92
  4. Step 4: Simplify right side
    522,783,965.74x = 121,055,537,238,062,128
  5. Step 5: Solve for x
    x = 121,055,537,238,062,128/522,783,965.74
  6. Step 6: Final answer
    x = 231,559,391.97

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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.