Home / 918,518,404.20-1,377,777,606.30-880,254,652.20

Finding the Fourth Proportional to 918,518,404.20, 1,377,777,606.30 and 880,254,652.20

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Solution

The fourth proportional to 918,518,404.20, 1,377,777,606.30 and 880,254,652.20 is: 1,320,381,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,518,404.20 : 1,377,777,606.30 = 880,254,652.20 : x
  2. Step 2: Convert to fraction form
    918,518,404.20/1,377,777,606.30 = 880,254,652.20/x
  3. Step 3: Cross multiply
    918,518,404.20x = 1,377,777,606.30 × 880,254,652.20
  4. Step 4: Simplify right side
    918,518,404.20x = 1,212,795,147,642,555,136
  5. Step 5: Solve for x
    x = 1,212,795,147,642,555,136/918,518,404.20
  6. Step 6: Final answer
    x = 1,320,381,978.30

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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.