Home / 2,160,409,917.80-3,240,703,350.30-628,600,125.80

Finding the Fourth Proportional to 2,160,409,917.80, 3,240,703,350.30 and 628,600,125.80

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Solution

The fourth proportional to 2,160,409,917.80, 3,240,703,350.30 and 628,600,125.80 is: 942,925,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,409,917.80 : 3,240,703,350.30 = 628,600,125.80 : x
  2. Step 2: Convert to fraction form
    2,160,409,917.80/3,240,703,350.30 = 628,600,125.80/x
  3. Step 3: Cross multiply
    2,160,409,917.80x = 3,240,703,350.30 × 628,600,125.80
  4. Step 4: Simplify right side
    2,160,409,917.80x = 2,037,106,533,679,061,504
  5. Step 5: Solve for x
    x = 2,037,106,533,679,061,504/2,160,409,917.80
  6. Step 6: Final answer
    x = 942,925,931.28

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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.