Home / 293,395,444.40-440,376,601.80-178,604,188.40

Finding the Fourth Proportional to 293,395,444.40, 440,376,601.80 and 178,604,188.40

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Solution

The fourth proportional to 293,395,444.40, 440,376,601.80 and 178,604,188.40 is: 268,078,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,444.40 : 440,376,601.80 = 178,604,188.40 : x
  2. Step 2: Convert to fraction form
    293,395,444.40/440,376,601.80 = 178,604,188.40/x
  3. Step 3: Cross multiply
    293,395,444.40x = 440,376,601.80 × 178,604,188.40
  4. Step 4: Simplify right side
    293,395,444.40x = 78,653,105,554,838,976
  5. Step 5: Solve for x
    x = 78,653,105,554,838,976/293,395,444.40
  6. Step 6: Final answer
    x = 268,078,823.50

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1.5x scale

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.