Home / 779,227,142.48-1,075,034,273.60-444,718,251.12

Finding the Fourth Proportional to 779,227,142.48, 1,075,034,273.60 and 444,718,251.12

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Solution

The fourth proportional to 779,227,142.48, 1,075,034,273.60 and 444,718,251.12 is: 613,540,437.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,227,142.48 : 1,075,034,273.60 = 444,718,251.12 : x
  2. Step 2: Convert to fraction form
    779,227,142.48/1,075,034,273.60 = 444,718,251.12/x
  3. Step 3: Cross multiply
    779,227,142.48x = 1,075,034,273.60 × 444,718,251.12
  4. Step 4: Simplify right side
    779,227,142.48x = 478,087,362,049,451,520
  5. Step 5: Solve for x
    x = 478,087,362,049,451,520/779,227,142.48
  6. Step 6: Final answer
    x = 613,540,437.68

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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.