Home / 1,406,592,145.80-2,109,888,218.70-971,235,678.60

Finding the Fourth Proportional to 1,406,592,145.80, 2,109,888,218.70 and 971,235,678.60

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Solution

The fourth proportional to 1,406,592,145.80, 2,109,888,218.70 and 971,235,678.60 is: 1,456,853,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,592,145.80 : 2,109,888,218.70 = 971,235,678.60 : x
  2. Step 2: Convert to fraction form
    1,406,592,145.80/2,109,888,218.70 = 971,235,678.60/x
  3. Step 3: Cross multiply
    1,406,592,145.80x = 2,109,888,218.70 × 971,235,678.60
  4. Step 4: Simplify right side
    1,406,592,145.80x = 2,049,198,715,859,239,680
  5. Step 5: Solve for x
    x = 2,049,198,715,859,239,680/1,406,592,145.80
  6. Step 6: Final answer
    x = 1,456,853,517.90

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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.