Home / 673,367,742.52-929,265,699.18-408,989,107.96

Finding the Fourth Proportional to 673,367,742.52, 929,265,699.18 and 408,989,107.96

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Solution

The fourth proportional to 673,367,742.52, 929,265,699.18 and 408,989,107.96 is: 564,416,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,367,742.52 : 929,265,699.18 = 408,989,107.96 : x
  2. Step 2: Convert to fraction form
    673,367,742.52/929,265,699.18 = 408,989,107.96/x
  3. Step 3: Cross multiply
    673,367,742.52x = 929,265,699.18 × 408,989,107.96
  4. Step 4: Simplify right side
    673,367,742.52x = 380,059,549,365,453,888
  5. Step 5: Solve for x
    x = 380,059,549,365,453,888/673,367,742.52
  6. Step 6: Final answer
    x = 564,416,032.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.