Home / 12,129,432,817.54-16,739,483,458.50-6,703,851,708.30

Finding the Fourth Proportional to 12,129,432,817.54, 16,739,483,458.50 and 6,703,851,708.30

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Solution

The fourth proportional to 12,129,432,817.54, 16,739,483,458.50 and 6,703,851,708.30 is: 9,251,794,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,432,817.54 : 16,739,483,458.50 = 6,703,851,708.30 : x
  2. Step 2: Convert to fraction form
    12,129,432,817.54/16,739,483,458.50 = 6,703,851,708.30/x
  3. Step 3: Cross multiply
    12,129,432,817.54x = 16,739,483,458.50 × 6,703,851,708.30
  4. Step 4: Simplify right side
    12,129,432,817.54x = 112,219,014,779,324,825,600
  5. Step 5: Solve for x
    x = 112,219,014,779,324,825,600/12,129,432,817.54
  6. Step 6: Final answer
    x = 9,251,794,083.65

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Double scale
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1.5x scale

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.