Home / 1,082,457,328.05-1,493,791,112.28-587,420,036.55

Finding the Fourth Proportional to 1,082,457,328.05, 1,493,791,112.28 and 587,420,036.55

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Solution

The fourth proportional to 1,082,457,328.05, 1,493,791,112.28 and 587,420,036.55 is: 810,639,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,457,328.05 : 1,493,791,112.28 = 587,420,036.55 : x
  2. Step 2: Convert to fraction form
    1,082,457,328.05/1,493,791,112.28 = 587,420,036.55/x
  3. Step 3: Cross multiply
    1,082,457,328.05x = 1,493,791,112.28 × 587,420,036.55
  4. Step 4: Simplify right side
    1,082,457,328.05x = 877,482,829,773,582,720
  5. Step 5: Solve for x
    x = 877,482,829,773,582,720/1,082,457,328.05
  6. Step 6: Final answer
    x = 810,639,650.21

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Double scale
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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.