Home / 9,206,985,689.91-12,705,616,354.41-5,137,844,730.93

Finding the Fourth Proportional to 9,206,985,689.91, 12,705,616,354.41 and 5,137,844,730.93

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Solution

The fourth proportional to 9,206,985,689.91, 12,705,616,354.41 and 5,137,844,730.93 is: 7,090,212,392.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,985,689.91 : 12,705,616,354.41 = 5,137,844,730.93 : x
  2. Step 2: Convert to fraction form
    9,206,985,689.91/12,705,616,354.41 = 5,137,844,730.93/x
  3. Step 3: Cross multiply
    9,206,985,689.91x = 12,705,616,354.41 × 5,137,844,730.93
  4. Step 4: Simplify right side
    9,206,985,689.91x = 65,279,484,039,723,458,560
  5. Step 5: Solve for x
    x = 65,279,484,039,723,458,560/9,206,985,689.91
  6. Step 6: Final answer
    x = 7,090,212,392.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.