Home / 1,491,009,320.24-2,057,599,097.72-821,939,681.24

Finding the Fourth Proportional to 1,491,009,320.24, 2,057,599,097.72 and 821,939,681.24

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Solution

The fourth proportional to 1,491,009,320.24, 2,057,599,097.72 and 821,939,681.24 is: 1,134,280,197.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,009,320.24 : 2,057,599,097.72 = 821,939,681.24 : x
  2. Step 2: Convert to fraction form
    1,491,009,320.24/2,057,599,097.72 = 821,939,681.24/x
  3. Step 3: Cross multiply
    1,491,009,320.24x = 2,057,599,097.72 × 821,939,681.24
  4. Step 4: Simplify right side
    1,491,009,320.24x = 1,691,222,346,499,688,448
  5. Step 5: Solve for x
    x = 1,691,222,346,499,688,448/1,491,009,320.24
  6. Step 6: Final answer
    x = 1,134,280,197.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.