Home / 834,509,438.44-1,151,655,412.78-458,181,888.42

Finding the Fourth Proportional to 834,509,438.44, 1,151,655,412.78 and 458,181,888.42

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Solution

The fourth proportional to 834,509,438.44, 1,151,655,412.78 and 458,181,888.42 is: 632,308,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,509,438.44 : 1,151,655,412.78 = 458,181,888.42 : x
  2. Step 2: Convert to fraction form
    834,509,438.44/1,151,655,412.78 = 458,181,888.42/x
  3. Step 3: Cross multiply
    834,509,438.44x = 1,151,655,412.78 × 458,181,888.42
  4. Step 4: Simplify right side
    834,509,438.44x = 527,667,651,836,655,040
  5. Step 5: Solve for x
    x = 527,667,651,836,655,040/834,509,438.44
  6. Step 6: Final answer
    x = 632,308,788.29

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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.