Home / 340,662,003.40-510,993,005.10-280,195,827.40

Finding the Fourth Proportional to 340,662,003.40, 510,993,005.10 and 280,195,827.40

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Solution

The fourth proportional to 340,662,003.40, 510,993,005.10 and 280,195,827.40 is: 420,293,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,662,003.40 : 510,993,005.10 = 280,195,827.40 : x
  2. Step 2: Convert to fraction form
    340,662,003.40/510,993,005.10 = 280,195,827.40/x
  3. Step 3: Cross multiply
    340,662,003.40x = 510,993,005.10 × 280,195,827.40
  4. Step 4: Simplify right side
    340,662,003.40x = 143,178,107,859,606,912
  5. Step 5: Solve for x
    x = 143,178,107,859,606,912/340,662,003.40
  6. Step 6: Final answer
    x = 420,293,741.10

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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.