Home / 1,390,992,034.30-2,086,488,051.45-982,845,346.30

Finding the Fourth Proportional to 1,390,992,034.30, 2,086,488,051.45 and 982,845,346.30

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Solution

The fourth proportional to 1,390,992,034.30, 2,086,488,051.45 and 982,845,346.30 is: 1,474,268,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,992,034.30 : 2,086,488,051.45 = 982,845,346.30 : x
  2. Step 2: Convert to fraction form
    1,390,992,034.30/2,086,488,051.45 = 982,845,346.30/x
  3. Step 3: Cross multiply
    1,390,992,034.30x = 2,086,488,051.45 × 982,845,346.30
  4. Step 4: Simplify right side
    1,390,992,034.30x = 2,050,695,071,478,187,520
  5. Step 5: Solve for x
    x = 2,050,695,071,478,187,520/1,390,992,034.30
  6. Step 6: Final answer
    x = 1,474,268,019.45

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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.