Home / 1,243,349,447.78-1,716,596,589.38-791,482,375.05

Finding the Fourth Proportional to 1,243,349,447.78, 1,716,596,589.38 and 791,482,375.05

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Solution

The fourth proportional to 1,243,349,447.78, 1,716,596,589.38 and 791,482,375.05 is: 1,092,738,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,349,447.78 : 1,716,596,589.38 = 791,482,375.05 : x
  2. Step 2: Convert to fraction form
    1,243,349,447.78/1,716,596,589.38 = 791,482,375.05/x
  3. Step 3: Cross multiply
    1,243,349,447.78x = 1,716,596,589.38 × 791,482,375.05
  4. Step 4: Simplify right side
    1,243,349,447.78x = 1,358,655,945,561,254,400
  5. Step 5: Solve for x
    x = 1,358,655,945,561,254,400/1,243,349,447.78
  6. Step 6: Final answer
    x = 1,092,738,608.60

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Double scale
Find fourth proportional to 1,243,349,448.78, 1,716,596,590.76 and 791,482,376.05
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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.