Home / 2,101,631,570.20-3,152,447,355.30-1,328,703,779.80

Finding the Fourth Proportional to 2,101,631,570.20, 3,152,447,355.30 and 1,328,703,779.80

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Solution

The fourth proportional to 2,101,631,570.20, 3,152,447,355.30 and 1,328,703,779.80 is: 1,993,055,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,631,570.20 : 3,152,447,355.30 = 1,328,703,779.80 : x
  2. Step 2: Convert to fraction form
    2,101,631,570.20/3,152,447,355.30 = 1,328,703,779.80/x
  3. Step 3: Cross multiply
    2,101,631,570.20x = 3,152,447,355.30 × 1,328,703,779.80
  4. Step 4: Simplify right side
    2,101,631,570.20x = 4,188,668,716,607,623,680
  5. Step 5: Solve for x
    x = 4,188,668,716,607,623,680/2,101,631,570.20
  6. Step 6: Final answer
    x = 1,993,055,669.70

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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.