Home / 12,781,933,511.10-17,637,540,372.03-7,065,445,682.48

Finding the Fourth Proportional to 12,781,933,511.10, 17,637,540,372.03 and 7,065,445,682.48

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Solution

The fourth proportional to 12,781,933,511.10, 17,637,540,372.03 and 7,065,445,682.48 is: 9,749,470,482.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,933,511.10 : 17,637,540,372.03 = 7,065,445,682.48 : x
  2. Step 2: Convert to fraction form
    12,781,933,511.10/17,637,540,372.03 = 7,065,445,682.48/x
  3. Step 3: Cross multiply
    12,781,933,511.10x = 17,637,540,372.03 × 7,065,445,682.48
  4. Step 4: Simplify right side
    12,781,933,511.10x = 124,617,083,471,090,728,960
  5. Step 5: Solve for x
    x = 124,617,083,471,090,728,960/12,781,933,511.10
  6. Step 6: Final answer
    x = 9,749,470,482.14

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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.