Home / 460,643,356.76-690,965,035.07-153,935,469.63

Finding the Fourth Proportional to 460,643,356.76, 690,965,035.07 and 153,935,469.63

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Solution

The fourth proportional to 460,643,356.76, 690,965,035.07 and 153,935,469.63 is: 230,903,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,643,356.76 : 690,965,035.07 = 153,935,469.63 : x
  2. Step 2: Convert to fraction form
    460,643,356.76/690,965,035.07 = 153,935,469.63/x
  3. Step 3: Cross multiply
    460,643,356.76x = 690,965,035.07 × 153,935,469.63
  4. Step 4: Simplify right side
    460,643,356.76x = 106,364,027,170,640,192
  5. Step 5: Solve for x
    x = 106,364,027,170,640,192/460,643,356.76
  6. Step 6: Final answer
    x = 230,903,204.42

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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.