Home / 460,643,340.19-690,965,010.32-153,935,453.06

Finding the Fourth Proportional to 460,643,340.19, 690,965,010.32 and 153,935,453.06

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Solution

The fourth proportional to 460,643,340.19, 690,965,010.32 and 153,935,453.06 is: 230,903,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,643,340.19 : 690,965,010.32 = 153,935,453.06 : x
  2. Step 2: Convert to fraction form
    460,643,340.19/690,965,010.32 = 153,935,453.06/x
  3. Step 3: Cross multiply
    460,643,340.19x = 690,965,010.32 × 153,935,453.06
  4. Step 4: Simplify right side
    460,643,340.19x = 106,364,011,913,174,512
  5. Step 5: Solve for x
    x = 106,364,011,913,174,512/460,643,340.19
  6. Step 6: Final answer
    x = 230,903,179.61

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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.