Home / 249,422,981,930.80-374,134,472,896.20-72,759,238,946.80

Finding the Fourth Proportional to 249,422,981,930.80, 374,134,472,896.20 and 72,759,238,946.80

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Solution

The fourth proportional to 249,422,981,930.80, 374,134,472,896.20 and 72,759,238,946.80 is: 109,138,858,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,422,981,930.80 : 374,134,472,896.20 = 72,759,238,946.80 : x
  2. Step 2: Convert to fraction form
    249,422,981,930.80/374,134,472,896.20 = 72,759,238,946.80/x
  3. Step 3: Cross multiply
    249,422,981,930.80x = 374,134,472,896.20 × 72,759,238,946.80
  4. Step 4: Simplify right side
    249,422,981,930.80x = 27,221,739,511,689,687,072,768
  5. Step 5: Solve for x
    x = 27,221,739,511,689,687,072,768/249,422,981,930.80
  6. Step 6: Final answer
    x = 109,138,858,420.20

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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.