Home / 1,226,254,386.78-1,691,978,439.51-704,632,841.82

Finding the Fourth Proportional to 1,226,254,386.78, 1,691,978,439.51 and 704,632,841.82

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Solution

The fourth proportional to 1,226,254,386.78, 1,691,978,439.51 and 704,632,841.82 is: 972,248,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,254,386.78 : 1,691,978,439.51 = 704,632,841.82 : x
  2. Step 2: Convert to fraction form
    1,226,254,386.78/1,691,978,439.51 = 704,632,841.82/x
  3. Step 3: Cross multiply
    1,226,254,386.78x = 1,691,978,439.51 × 704,632,841.82
  4. Step 4: Simplify right side
    1,226,254,386.78x = 1,192,223,576,130,100,224
  5. Step 5: Solve for x
    x = 1,192,223,576,130,100,224/1,226,254,386.78
  6. Step 6: Final answer
    x = 972,248,163.99

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1.5x scale

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.