Home / 1,420,092,017.20-2,130,138,025.80-800,219,234.80

Finding the Fourth Proportional to 1,420,092,017.20, 2,130,138,025.80 and 800,219,234.80

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Solution

The fourth proportional to 1,420,092,017.20, 2,130,138,025.80 and 800,219,234.80 is: 1,200,328,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,092,017.20 : 2,130,138,025.80 = 800,219,234.80 : x
  2. Step 2: Convert to fraction form
    1,420,092,017.20/2,130,138,025.80 = 800,219,234.80/x
  3. Step 3: Cross multiply
    1,420,092,017.20x = 2,130,138,025.80 × 800,219,234.80
  4. Step 4: Simplify right side
    1,420,092,017.20x = 1,704,577,421,024,058,624
  5. Step 5: Solve for x
    x = 1,704,577,421,024,058,624/1,420,092,017.20
  6. Step 6: Final answer
    x = 1,200,328,852.20

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1.5x scale

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.