Home / 1,604,613,610.20-2,406,920,415.30-992,393,578.20

Finding the Fourth Proportional to 1,604,613,610.20, 2,406,920,415.30 and 992,393,578.20

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Solution

The fourth proportional to 1,604,613,610.20, 2,406,920,415.30 and 992,393,578.20 is: 1,488,590,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,613,610.20 : 2,406,920,415.30 = 992,393,578.20 : x
  2. Step 2: Convert to fraction form
    1,604,613,610.20/2,406,920,415.30 = 992,393,578.20/x
  3. Step 3: Cross multiply
    1,604,613,610.20x = 2,406,920,415.30 × 992,393,578.20
  4. Step 4: Simplify right side
    1,604,613,610.20x = 2,388,612,363,382,197,248
  5. Step 5: Solve for x
    x = 2,388,612,363,382,197,248/1,604,613,610.20
  6. Step 6: Final answer
    x = 1,488,590,367.30

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Double scale
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Similar ratio
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1.5x scale

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.