Home / 1,298,653,659.70-1,947,953,197.84-316,085,680.83

Finding the Fourth Proportional to 1,298,653,659.70, 1,947,953,197.84 and 316,085,680.83

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Solution

The fourth proportional to 1,298,653,659.70, 1,947,953,197.84 and 316,085,680.83 is: 474,121,878.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,653,659.70 : 1,947,953,197.84 = 316,085,680.83 : x
  2. Step 2: Convert to fraction form
    1,298,653,659.70/1,947,953,197.84 = 316,085,680.83/x
  3. Step 3: Cross multiply
    1,298,653,659.70x = 1,947,953,197.84 × 316,085,680.83
  4. Step 4: Simplify right side
    1,298,653,659.70x = 615,720,112,756,137,088
  5. Step 5: Solve for x
    x = 615,720,112,756,137,088/1,298,653,659.70
  6. Step 6: Final answer
    x = 474,121,878.58

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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.