Home / 1,340,260,823.70-2,010,580,192.35-420,041,207.70

Finding the Fourth Proportional to 1,340,260,823.70, 2,010,580,192.35 and 420,041,207.70

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Solution

The fourth proportional to 1,340,260,823.70, 2,010,580,192.35 and 420,041,207.70 is: 630,121,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,260,823.70 : 2,010,580,192.35 = 420,041,207.70 : x
  2. Step 2: Convert to fraction form
    1,340,260,823.70/2,010,580,192.35 = 420,041,207.70/x
  3. Step 3: Cross multiply
    1,340,260,823.70x = 2,010,580,192.35 × 420,041,207.70
  4. Step 4: Simplify right side
    1,340,260,823.70x = 844,526,532,172,392,192
  5. Step 5: Solve for x
    x = 844,526,532,172,392,192/1,340,260,823.70
  6. Step 6: Final answer
    x = 630,121,031.10

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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.