Home / 509,257,676.16-763,342,672.93-290,436,844.41

Finding the Fourth Proportional to 509,257,676.16, 763,342,672.93 and 290,436,844.41

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Solution

The fourth proportional to 509,257,676.16, 763,342,672.93 and 290,436,844.41 is: 435,345,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,257,676.16 : 763,342,672.93 = 290,436,844.41 : x
  2. Step 2: Convert to fraction form
    509,257,676.16/763,342,672.93 = 290,436,844.41/x
  3. Step 3: Cross multiply
    509,257,676.16x = 763,342,672.93 × 290,436,844.41
  4. Step 4: Simplify right side
    509,257,676.16x = 221,702,837,128,557,856
  5. Step 5: Solve for x
    x = 221,702,837,128,557,856/509,257,676.16
  6. Step 6: Final answer
    x = 435,345,106.23

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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.