Home / 293,394,002.40-440,374,438.80-178,602,746.40

Finding the Fourth Proportional to 293,394,002.40, 440,374,438.80 and 178,602,746.40

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Solution

The fourth proportional to 293,394,002.40, 440,374,438.80 and 178,602,746.40 is: 268,076,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,394,002.40 : 440,374,438.80 = 178,602,746.40 : x
  2. Step 2: Convert to fraction form
    293,394,002.40/440,374,438.80 = 178,602,746.40/x
  3. Step 3: Cross multiply
    293,394,002.40x = 440,374,438.80 × 178,602,746.40
  4. Step 4: Simplify right side
    293,394,002.40x = 78,652,084,214,038,720
  5. Step 5: Solve for x
    x = 78,652,084,214,038,720/293,394,002.40
  6. Step 6: Final answer
    x = 268,076,659.95

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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.