Home / 293,395,271.40-440,376,342.30-178,604,015.40

Finding the Fourth Proportional to 293,395,271.40, 440,376,342.30 and 178,604,015.40

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Solution

The fourth proportional to 293,395,271.40, 440,376,342.30 and 178,604,015.40 is: 268,078,563.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,271.40 : 440,376,342.30 = 178,604,015.40 : x
  2. Step 2: Convert to fraction form
    293,395,271.40/440,376,342.30 = 178,604,015.40/x
  3. Step 3: Cross multiply
    293,395,271.40x = 440,376,342.30 × 178,604,015.40
  4. Step 4: Simplify right side
    293,395,271.40x = 78,652,983,021,944,880
  5. Step 5: Solve for x
    x = 78,652,983,021,944,880/293,395,271.40
  6. Step 6: Final answer
    x = 268,078,563.93

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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.