Home / 548,434,660.38-756,841,268.75-297,539,039.36

Finding the Fourth Proportional to 548,434,660.38, 756,841,268.75 and 297,539,039.36

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Solution

The fourth proportional to 548,434,660.38, 756,841,268.75 and 297,539,039.36 is: 410,604,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,434,660.38 : 756,841,268.75 = 297,539,039.36 : x
  2. Step 2: Convert to fraction form
    548,434,660.38/756,841,268.75 = 297,539,039.36/x
  3. Step 3: Cross multiply
    548,434,660.38x = 756,841,268.75 × 297,539,039.36
  4. Step 4: Simplify right side
    548,434,660.38x = 225,189,824,046,606,688
  5. Step 5: Solve for x
    x = 225,189,824,046,606,688/548,434,660.38
  6. Step 6: Final answer
    x = 410,604,654.15

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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.