Home / 672,521,129.34-1,008,745,821.60-181,226,511.18

Finding the Fourth Proportional to 672,521,129.34, 1,008,745,821.60 and 181,226,511.18

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Solution

The fourth proportional to 672,521,129.34, 1,008,745,821.60 and 181,226,511.18 is: 271,830,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,521,129.34 : 1,008,745,821.60 = 181,226,511.18 : x
  2. Step 2: Convert to fraction form
    672,521,129.34/1,008,745,821.60 = 181,226,511.18/x
  3. Step 3: Cross multiply
    672,521,129.34x = 1,008,745,821.60 × 181,226,511.18
  4. Step 4: Simplify right side
    672,521,129.34x = 182,811,485,915,970,688
  5. Step 5: Solve for x
    x = 182,811,485,915,970,688/672,521,129.34
  6. Step 6: Final answer
    x = 271,830,100.11

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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.