Home / 409,773,078.78-614,660,667.93-167,435,982.78

Finding the Fourth Proportional to 409,773,078.78, 614,660,667.93 and 167,435,982.78

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Solution

The fourth proportional to 409,773,078.78, 614,660,667.93 and 167,435,982.78 is: 251,154,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,773,078.78 : 614,660,667.93 = 167,435,982.78 : x
  2. Step 2: Convert to fraction form
    409,773,078.78/614,660,667.93 = 167,435,982.78/x
  3. Step 3: Cross multiply
    409,773,078.78x = 614,660,667.93 × 167,435,982.78
  4. Step 4: Simplify right side
    409,773,078.78x = 102,916,313,011,070,768
  5. Step 5: Solve for x
    x = 102,916,313,011,070,768/409,773,078.78
  6. Step 6: Final answer
    x = 251,154,403.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.