Home / 836,521,870.20-1,254,782,805.30-291,263,404.20

Finding the Fourth Proportional to 836,521,870.20, 1,254,782,805.30 and 291,263,404.20

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Solution

The fourth proportional to 836,521,870.20, 1,254,782,805.30 and 291,263,404.20 is: 436,895,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,521,870.20 : 1,254,782,805.30 = 291,263,404.20 : x
  2. Step 2: Convert to fraction form
    836,521,870.20/1,254,782,805.30 = 291,263,404.20/x
  3. Step 3: Cross multiply
    836,521,870.20x = 1,254,782,805.30 × 291,263,404.20
  4. Step 4: Simplify right side
    836,521,870.20x = 365,472,311,403,303,744
  5. Step 5: Solve for x
    x = 365,472,311,403,303,744/836,521,870.20
  6. Step 6: Final answer
    x = 436,895,106.30

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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.