Home / 1,298,653,660.46-1,947,953,198.96-316,085,681.58

Finding the Fourth Proportional to 1,298,653,660.46, 1,947,953,198.96 and 316,085,681.58

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Solution

The fourth proportional to 1,298,653,660.46, 1,947,953,198.96 and 316,085,681.58 is: 474,121,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,653,660.46 : 1,947,953,198.96 = 316,085,681.58 : x
  2. Step 2: Convert to fraction form
    1,298,653,660.46/1,947,953,198.96 = 316,085,681.58/x
  3. Step 3: Cross multiply
    1,298,653,660.46x = 1,947,953,198.96 × 316,085,681.58
  4. Step 4: Simplify right side
    1,298,653,660.46x = 615,720,114,580,003,200
  5. Step 5: Solve for x
    x = 615,720,114,580,003,200/1,298,653,660.46
  6. Step 6: Final answer
    x = 474,121,879.70

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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.