Home / 12,222,838,466.15-18,315,544,628.25-8,224,111,422.20

Finding the Fourth Proportional to 12,222,838,466.15, 18,315,544,628.25 and 8,224,111,422.20

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Solution

The fourth proportional to 12,222,838,466.15, 18,315,544,628.25 and 8,224,111,422.20 is: 12,323,576,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,222,838,466.15 : 18,315,544,628.25 = 8,224,111,422.20 : x
  2. Step 2: Convert to fraction form
    12,222,838,466.15/18,315,544,628.25 = 8,224,111,422.20/x
  3. Step 3: Cross multiply
    12,222,838,466.15x = 18,315,544,628.25 × 8,224,111,422.20
  4. Step 4: Simplify right side
    12,222,838,466.15x = 150,629,079,781,050,482,688
  5. Step 5: Solve for x
    x = 150,629,079,781,050,482,688/12,222,838,466.15
  6. Step 6: Final answer
    x = 12,323,576,082.45

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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.