Home / 12,134,466,218.40-18,201,699,327.60-9,379,476,074.40

Finding the Fourth Proportional to 12,134,466,218.40, 18,201,699,327.60 and 9,379,476,074.40

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Solution

The fourth proportional to 12,134,466,218.40, 18,201,699,327.60 and 9,379,476,074.40 is: 14,069,214,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,466,218.40 : 18,201,699,327.60 = 9,379,476,074.40 : x
  2. Step 2: Convert to fraction form
    12,134,466,218.40/18,201,699,327.60 = 9,379,476,074.40/x
  3. Step 3: Cross multiply
    12,134,466,218.40x = 18,201,699,327.60 × 9,379,476,074.40
  4. Step 4: Simplify right side
    12,134,466,218.40x = 170,722,403,356,646,735,872
  5. Step 5: Solve for x
    x = 170,722,403,356,646,735,872/12,134,466,218.40
  6. Step 6: Final answer
    x = 14,069,214,111.60

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1.5x scale

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.