Home / 1,379,833,901.80-2,070,758,622.30-971,687,213.80

Finding the Fourth Proportional to 1,379,833,901.80, 2,070,758,622.30 and 971,687,213.80

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Solution

The fourth proportional to 1,379,833,901.80, 2,070,758,622.30 and 971,687,213.80 is: 1,458,240,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,833,901.80 : 2,070,758,622.30 = 971,687,213.80 : x
  2. Step 2: Convert to fraction form
    1,379,833,901.80/2,070,758,622.30 = 971,687,213.80/x
  3. Step 3: Cross multiply
    1,379,833,901.80x = 2,070,758,622.30 × 971,687,213.80
  4. Step 4: Simplify right side
    1,379,833,901.80x = 2,012,129,676,155,013,376
  5. Step 5: Solve for x
    x = 2,012,129,676,155,013,376/1,379,833,901.80
  6. Step 6: Final answer
    x = 1,458,240,498.03

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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.