Home / 282,898,219,265.52-390,397,556,575.80-154,439,667,870

Finding the Fourth Proportional to 282,898,219,265.52, 390,397,556,575.80 and 154,439,667,870

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Solution

The fourth proportional to 282,898,219,265.52, 390,397,556,575.80 and 154,439,667,870 is: 213,125,657,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,898,219,265.52 : 390,397,556,575.80 = 154,439,667,870 : x
  2. Step 2: Convert to fraction form
    282,898,219,265.52/390,397,556,575.80 = 154,439,667,870/x
  3. Step 3: Cross multiply
    282,898,219,265.52x = 390,397,556,575.80 × 154,439,667,870
  4. Step 4: Simplify right side
    282,898,219,265.52x = 60,292,868,974,826,083,057,664
  5. Step 5: Solve for x
    x = 60,292,868,974,826,083,057,664/282,898,219,265.52
  6. Step 6: Final answer
    x = 213,125,657,458.58

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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.