Home / 1,298,653,662.42-1,947,953,201.91-316,085,683.55

Finding the Fourth Proportional to 1,298,653,662.42, 1,947,953,201.91 and 316,085,683.55

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Solution

The fourth proportional to 1,298,653,662.42, 1,947,953,201.91 and 316,085,683.55 is: 474,121,882.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,653,662.42 : 1,947,953,201.91 = 316,085,683.55 : x
  2. Step 2: Convert to fraction form
    1,298,653,662.42/1,947,953,201.91 = 316,085,683.55/x
  3. Step 3: Cross multiply
    1,298,653,662.42x = 1,947,953,201.91 × 316,085,683.55
  4. Step 4: Simplify right side
    1,298,653,662.42x = 615,720,119,339,393,792
  5. Step 5: Solve for x
    x = 615,720,119,339,393,792/1,298,653,662.42
  6. Step 6: Final answer
    x = 474,121,882.65

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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.