Home / 12,281,246,508.63-18,373,399,312.32-9,301,892,160.39

Finding the Fourth Proportional to 12,281,246,508.63, 18,373,399,312.32 and 9,301,892,160.39

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Solution

The fourth proportional to 12,281,246,508.63, 18,373,399,312.32 and 9,301,892,160.39 is: 13,916,126,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281,246,508.63 : 18,373,399,312.32 = 9,301,892,160.39 : x
  2. Step 2: Convert to fraction form
    12,281,246,508.63/18,373,399,312.32 = 9,301,892,160.39/x
  3. Step 3: Cross multiply
    12,281,246,508.63x = 18,373,399,312.32 × 9,301,892,160.39
  4. Step 4: Simplify right side
    12,281,246,508.63x = 170,907,379,022,984,413,184
  5. Step 5: Solve for x
    x = 170,907,379,022,984,413,184/12,281,246,508.63
  6. Step 6: Final answer
    x = 13,916,126,421.12

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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.