Home / 523,298,151.40-785,062,127.58-154,804,255.72

Finding the Fourth Proportional to 523,298,151.40, 785,062,127.58 and 154,804,255.72

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Solution

The fourth proportional to 523,298,151.40, 785,062,127.58 and 154,804,255.72 is: 232,240,373.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,298,151.40 : 785,062,127.58 = 154,804,255.72 : x
  2. Step 2: Convert to fraction form
    523,298,151.40/785,062,127.58 = 154,804,255.72/x
  3. Step 3: Cross multiply
    523,298,151.40x = 785,062,127.58 × 154,804,255.72
  4. Step 4: Simplify right side
    523,298,151.40x = 121,530,958,353,981,584
  5. Step 5: Solve for x
    x = 121,530,958,353,981,584/523,298,151.40
  6. Step 6: Final answer
    x = 232,240,373.92

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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.