Home / 1,298,653,658.67-1,947,953,196.29-316,085,679.79

Finding the Fourth Proportional to 1,298,653,658.67, 1,947,953,196.29 and 316,085,679.79

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Solution

The fourth proportional to 1,298,653,658.67, 1,947,953,196.29 and 316,085,679.79 is: 474,121,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,653,658.67 : 1,947,953,196.29 = 316,085,679.79 : x
  2. Step 2: Convert to fraction form
    1,298,653,658.67/1,947,953,196.29 = 316,085,679.79/x
  3. Step 3: Cross multiply
    1,298,653,658.67x = 1,947,953,196.29 × 316,085,679.79
  4. Step 4: Simplify right side
    1,298,653,658.67x = 615,720,110,255,295,872
  5. Step 5: Solve for x
    x = 615,720,110,255,295,872/1,298,653,658.67
  6. Step 6: Final answer
    x = 474,121,877.03

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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.