Home / 545,083,653.59-752,218,497.30-310,134,309.20

Finding the Fourth Proportional to 545,083,653.59, 752,218,497.30 and 310,134,309.20

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Solution

The fourth proportional to 545,083,653.59, 752,218,497.30 and 310,134,309.20 is: 427,987,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,083,653.59 : 752,218,497.30 = 310,134,309.20 : x
  2. Step 2: Convert to fraction form
    545,083,653.59/752,218,497.30 = 310,134,309.20/x
  3. Step 3: Cross multiply
    545,083,653.59x = 752,218,497.30 × 310,134,309.20
  4. Step 4: Simplify right side
    545,083,653.59x = 233,288,764,022,285,792
  5. Step 5: Solve for x
    x = 233,288,764,022,285,792/545,083,653.59
  6. Step 6: Final answer
    x = 427,987,085.08

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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.