Home / 1,112,233,296.60-1,668,349,944.90-854,748,163.80

Finding the Fourth Proportional to 1,112,233,296.60, 1,668,349,944.90 and 854,748,163.80

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Solution

The fourth proportional to 1,112,233,296.60, 1,668,349,944.90 and 854,748,163.80 is: 1,282,122,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,233,296.60 : 1,668,349,944.90 = 854,748,163.80 : x
  2. Step 2: Convert to fraction form
    1,112,233,296.60/1,668,349,944.90 = 854,748,163.80/x
  3. Step 3: Cross multiply
    1,112,233,296.60x = 1,668,349,944.90 × 854,748,163.80
  4. Step 4: Simplify right side
    1,112,233,296.60x = 1,426,019,051,979,106,304
  5. Step 5: Solve for x
    x = 1,426,019,051,979,106,304/1,112,233,296.60
  6. Step 6: Final answer
    x = 1,282,122,245.70

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Double scale
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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.