Home / 293,395,432.40-440,376,583.80-178,604,176.40

Finding the Fourth Proportional to 293,395,432.40, 440,376,583.80 and 178,604,176.40

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Solution

The fourth proportional to 293,395,432.40, 440,376,583.80 and 178,604,176.40 is: 268,078,805.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,432.40 : 440,376,583.80 = 178,604,176.40 : x
  2. Step 2: Convert to fraction form
    293,395,432.40/440,376,583.80 = 178,604,176.40/x
  3. Step 3: Cross multiply
    293,395,432.40x = 440,376,583.80 × 178,604,176.40
  4. Step 4: Simplify right side
    293,395,432.40x = 78,653,097,055,444,592
  5. Step 5: Solve for x
    x = 78,653,097,055,444,592/293,395,432.40
  6. Step 6: Final answer
    x = 268,078,805.49

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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.