Home / 291,058,327.20-436,587,490.80-267,249,770.40

Finding the Fourth Proportional to 291,058,327.20, 436,587,490.80 and 267,249,770.40

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Solution

The fourth proportional to 291,058,327.20, 436,587,490.80 and 267,249,770.40 is: 400,874,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,058,327.20 : 436,587,490.80 = 267,249,770.40 : x
  2. Step 2: Convert to fraction form
    291,058,327.20/436,587,490.80 = 267,249,770.40/x
  3. Step 3: Cross multiply
    291,058,327.20x = 436,587,490.80 × 267,249,770.40
  4. Step 4: Simplify right side
    291,058,327.20x = 116,677,906,675,812,112
  5. Step 5: Solve for x
    x = 116,677,906,675,812,112/291,058,327.20
  6. Step 6: Final answer
    x = 400,874,655.60

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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.