Home / 358,568,943,276.45-537,947,752,168.40-128,859,484,802.02

Finding the Fourth Proportional to 358,568,943,276.45, 537,947,752,168.40 and 128,859,484,802.02

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Solution

The fourth proportional to 358,568,943,276.45, 537,947,752,168.40 and 128,859,484,802.02 is: 193,323,129,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,568,943,276.45 : 537,947,752,168.40 = 128,859,484,802.02 : x
  2. Step 2: Convert to fraction form
    358,568,943,276.45/537,947,752,168.40 = 128,859,484,802.02/x
  3. Step 3: Cross multiply
    358,568,943,276.45x = 537,947,752,168.40 × 128,859,484,802.02
  4. Step 4: Simplify right side
    358,568,943,276.45x = 69,319,670,194,824,770,748,416
  5. Step 5: Solve for x
    x = 69,319,670,194,824,770,748,416/358,568,943,276.45
  6. Step 6: Final answer
    x = 193,323,129,330.20

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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.