Home / 924,114,853.95-1,275,279,619.44-500,728,187.78

Finding the Fourth Proportional to 924,114,853.95, 1,275,279,619.44 and 500,728,187.78

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Solution

The fourth proportional to 924,114,853.95, 1,275,279,619.44 and 500,728,187.78 is: 691,005,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,114,853.95 : 1,275,279,619.44 = 500,728,187.78 : x
  2. Step 2: Convert to fraction form
    924,114,853.95/1,275,279,619.44 = 500,728,187.78/x
  3. Step 3: Cross multiply
    924,114,853.95x = 1,275,279,619.44 × 500,728,187.78
  4. Step 4: Simplify right side
    924,114,853.95x = 638,568,452,748,582,912
  5. Step 5: Solve for x
    x = 638,568,452,748,582,912/924,114,853.95
  6. Step 6: Final answer
    x = 691,005,506.53

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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.