Home / 680,059,785.71-1,020,086,316.05-265,578,698.25

Finding the Fourth Proportional to 680,059,785.71, 1,020,086,316.05 and 265,578,698.25

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Solution

The fourth proportional to 680,059,785.71, 1,020,086,316.05 and 265,578,698.25 is: 398,366,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,059,785.71 : 1,020,086,316.05 = 265,578,698.25 : x
  2. Step 2: Convert to fraction form
    680,059,785.71/1,020,086,316.05 = 265,578,698.25/x
  3. Step 3: Cross multiply
    680,059,785.71x = 1,020,086,316.05 × 265,578,698.25
  4. Step 4: Simplify right side
    680,059,785.71x = 270,913,195,917,869,184
  5. Step 5: Solve for x
    x = 270,913,195,917,869,184/680,059,785.71
  6. Step 6: Final answer
    x = 398,366,734.24

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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.