Home / 294,867,778.10-442,301,667.15-289,128,215.30

Finding the Fourth Proportional to 294,867,778.10, 442,301,667.15 and 289,128,215.30

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Solution

The fourth proportional to 294,867,778.10, 442,301,667.15 and 289,128,215.30 is: 433,692,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,867,778.10 : 442,301,667.15 = 289,128,215.30 : x
  2. Step 2: Convert to fraction form
    294,867,778.10/442,301,667.15 = 289,128,215.30/x
  3. Step 3: Cross multiply
    294,867,778.10x = 442,301,667.15 × 289,128,215.30
  4. Step 4: Simplify right side
    294,867,778.10x = 127,881,891,647,294,128
  5. Step 5: Solve for x
    x = 127,881,891,647,294,128/294,867,778.10
  6. Step 6: Final answer
    x = 433,692,322.95

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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.