Home / 1,378,199,049,075.20-1,902,081,464,384-784,398,995,587.65

Finding the Fourth Proportional to 1,378,199,049,075.20, 1,902,081,464,384 and 784,398,995,587.65

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Solution

The fourth proportional to 1,378,199,049,075.20, 1,902,081,464,384 and 784,398,995,587.65 is: 1,082,565,534,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,199,049,075.20 : 1,902,081,464,384 = 784,398,995,587.65 : x
  2. Step 2: Convert to fraction form
    1,378,199,049,075.20/1,902,081,464,384 = 784,398,995,587.65/x
  3. Step 3: Cross multiply
    1,378,199,049,075.20x = 1,902,081,464,384 × 784,398,995,587.65
  4. Step 4: Simplify right side
    1,378,199,049,075.20x = 1,491,990,790,188,696,181,145,600
  5. Step 5: Solve for x
    x = 1,491,990,790,188,696,181,145,600/1,378,199,049,075.20
  6. Step 6: Final answer
    x = 1,082,565,534,484.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.