Home / 460,202,101.49-690,400,101.52-149,285,440.50

Finding the Fourth Proportional to 460,202,101.49, 690,400,101.52 and 149,285,440.50

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Solution

The fourth proportional to 460,202,101.49, 690,400,101.52 and 149,285,440.50 is: 223,959,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,202,101.49 : 690,400,101.52 = 149,285,440.50 : x
  2. Step 2: Convert to fraction form
    460,202,101.49/690,400,101.52 = 149,285,440.50/x
  3. Step 3: Cross multiply
    460,202,101.49x = 690,400,101.52 × 149,285,440.50
  4. Step 4: Simplify right side
    460,202,101.49x = 103,066,683,279,191,264
  5. Step 5: Solve for x
    x = 103,066,683,279,191,264/460,202,101.49
  6. Step 6: Final answer
    x = 223,959,610.24

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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.