Home / 12,954,749,879.04-17,877,563,268.48-7,014,306,405.12

Finding the Fourth Proportional to 12,954,749,879.04, 17,877,563,268.48 and 7,014,306,405.12

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Solution

The fourth proportional to 12,954,749,879.04, 17,877,563,268.48 and 7,014,306,405.12 is: 9,679,747,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,749,879.04 : 17,877,563,268.48 = 7,014,306,405.12 : x
  2. Step 2: Convert to fraction form
    12,954,749,879.04/17,877,563,268.48 = 7,014,306,405.12/x
  3. Step 3: Cross multiply
    12,954,749,879.04x = 17,877,563,268.48 × 7,014,306,405.12
  4. Step 4: Simplify right side
    12,954,749,879.04x = 125,398,706,542,037,303,296
  5. Step 5: Solve for x
    x = 125,398,706,542,037,303,296/12,954,749,879.04
  6. Step 6: Final answer
    x = 9,679,747,406.39

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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.