Home / 656,046,496.80-905,345,793.36-358,707,926.16

Finding the Fourth Proportional to 656,046,496.80, 905,345,793.36 and 358,707,926.16

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Solution

The fourth proportional to 656,046,496.80, 905,345,793.36 and 358,707,926.16 is: 495,017,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,046,496.80 : 905,345,793.36 = 358,707,926.16 : x
  2. Step 2: Convert to fraction form
    656,046,496.80/905,345,793.36 = 358,707,926.16/x
  3. Step 3: Cross multiply
    656,046,496.80x = 905,345,793.36 × 358,707,926.16
  4. Step 4: Simplify right side
    656,046,496.80x = 324,754,711,993,845,504
  5. Step 5: Solve for x
    x = 324,754,711,993,845,504/656,046,496.80
  6. Step 6: Final answer
    x = 495,017,828.12

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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.