Home / 293,395,334.40-440,376,436.80-178,604,078.40

Finding the Fourth Proportional to 293,395,334.40, 440,376,436.80 and 178,604,078.40

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Solution

The fourth proportional to 293,395,334.40, 440,376,436.80 and 178,604,078.40 is: 268,078,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,334.40 : 440,376,436.80 = 178,604,078.40 : x
  2. Step 2: Convert to fraction form
    293,395,334.40/440,376,436.80 = 178,604,078.40/x
  3. Step 3: Cross multiply
    293,395,334.40x = 440,376,436.80 × 178,604,078.40
  4. Step 4: Simplify right side
    293,395,334.40x = 78,653,027,643,739,856
  5. Step 5: Solve for x
    x = 78,653,027,643,739,856/293,395,334.40
  6. Step 6: Final answer
    x = 268,078,658.46

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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.