Home / 656,397,721.30-905,818,196.89-359,037,362.36

Finding the Fourth Proportional to 656,397,721.30, 905,818,196.89 and 359,037,362.36

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Solution

The fourth proportional to 656,397,721.30, 905,818,196.89 and 359,037,362.36 is: 495,465,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,397,721.30 : 905,818,196.89 = 359,037,362.36 : x
  2. Step 2: Convert to fraction form
    656,397,721.30/905,818,196.89 = 359,037,362.36/x
  3. Step 3: Cross multiply
    656,397,721.30x = 905,818,196.89 × 359,037,362.36
  4. Step 4: Simplify right side
    656,397,721.30x = 325,222,576,187,281,600
  5. Step 5: Solve for x
    x = 325,222,576,187,281,600/656,397,721.30
  6. Step 6: Final answer
    x = 495,465,730.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.