Home / 358,568,943,284.74-537,947,752,180.92-128,859,484,810.33

Finding the Fourth Proportional to 358,568,943,284.74, 537,947,752,180.92 and 128,859,484,810.33

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Solution

The fourth proportional to 358,568,943,284.74, 537,947,752,180.92 and 128,859,484,810.33 is: 193,323,129,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568,943,284.74 : 537,947,752,180.92 = 128,859,484,810.33 : x
  2. Step 2: Convert to fraction form
    358,568,943,284.74/537,947,752,180.92 = 128,859,484,810.33/x
  3. Step 3: Cross multiply
    358,568,943,284.74x = 537,947,752,180.92 × 128,859,484,810.33
  4. Step 4: Simplify right side
    358,568,943,284.74x = 69,319,670,200,908,424,151,040
  5. Step 5: Solve for x
    x = 69,319,670,200,908,424,151,040/358,568,943,284.74
  6. Step 6: Final answer
    x = 193,323,129,342.69

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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.