Home / 958,457,977.20-1,437,686,965.80-855,145,846.80

Finding the Fourth Proportional to 958,457,977.20, 1,437,686,965.80 and 855,145,846.80

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Solution

The fourth proportional to 958,457,977.20, 1,437,686,965.80 and 855,145,846.80 is: 1,282,718,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,457,977.20 : 1,437,686,965.80 = 855,145,846.80 : x
  2. Step 2: Convert to fraction form
    958,457,977.20/1,437,686,965.80 = 855,145,846.80/x
  3. Step 3: Cross multiply
    958,457,977.20x = 1,437,686,965.80 × 855,145,846.80
  4. Step 4: Simplify right side
    958,457,977.20x = 1,229,432,037,802,363,648
  5. Step 5: Solve for x
    x = 1,229,432,037,802,363,648/958,457,977.20
  6. Step 6: Final answer
    x = 1,282,718,770.20

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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.