Home / 1,073,336,418.90-1,608,808,886.10-418,069,665.90

Finding the Fourth Proportional to 1,073,336,418.90, 1,608,808,886.10 and 418,069,665.90

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Solution

The fourth proportional to 1,073,336,418.90, 1,608,808,886.10 and 418,069,665.90 is: 626,638,751.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,336,418.90 : 1,608,808,886.10 = 418,069,665.90 : x
  2. Step 2: Convert to fraction form
    1,073,336,418.90/1,608,808,886.10 = 418,069,665.90/x
  3. Step 3: Cross multiply
    1,073,336,418.90x = 1,608,808,886.10 × 418,069,665.90
  4. Step 4: Simplify right side
    1,073,336,418.90x = 672,594,193,508,778,112
  5. Step 5: Solve for x
    x = 672,594,193,508,778,112/1,073,336,418.90
  6. Step 6: Final answer
    x = 626,638,751.53

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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.