Home / 1,298,653,661.17-1,947,953,200.03-316,085,682.30

Finding the Fourth Proportional to 1,298,653,661.17, 1,947,953,200.03 and 316,085,682.30

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Solution

The fourth proportional to 1,298,653,661.17, 1,947,953,200.03 and 316,085,682.30 is: 474,121,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,653,661.17 : 1,947,953,200.03 = 316,085,682.30 : x
  2. Step 2: Convert to fraction form
    1,298,653,661.17/1,947,953,200.03 = 316,085,682.30/x
  3. Step 3: Cross multiply
    1,298,653,661.17x = 1,947,953,200.03 × 316,085,682.30
  4. Step 4: Simplify right side
    1,298,653,661.17x = 615,720,116,319,950,976
  5. Step 5: Solve for x
    x = 615,720,116,319,950,976/1,298,653,661.17
  6. Step 6: Final answer
    x = 474,121,880.78

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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.