Home / 358,568,943,273.56-537,947,752,164.05-128,859,484,799.15

Finding the Fourth Proportional to 358,568,943,273.56, 537,947,752,164.05 and 128,859,484,799.15

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Solution

The fourth proportional to 358,568,943,273.56, 537,947,752,164.05 and 128,859,484,799.15 is: 193,323,129,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568,943,273.56 : 537,947,752,164.05 = 128,859,484,799.15 : x
  2. Step 2: Convert to fraction form
    358,568,943,273.56/537,947,752,164.05 = 128,859,484,799.15/x
  3. Step 3: Cross multiply
    358,568,943,273.56x = 537,947,752,164.05 × 128,859,484,799.15
  4. Step 4: Simplify right side
    358,568,943,273.56x = 69,319,670,192,720,303,882,240
  5. Step 5: Solve for x
    x = 69,319,670,192,720,303,882,240/358,568,943,273.56
  6. Step 6: Final answer
    x = 193,323,129,325.89

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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.