Home / 12,286,542,693.60-18,429,814,040.40-12,164,098,687.20

Finding the Fourth Proportional to 12,286,542,693.60, 18,429,814,040.40 and 12,164,098,687.20

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Solution

The fourth proportional to 12,286,542,693.60, 18,429,814,040.40 and 12,164,098,687.20 is: 18,246,148,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286,542,693.60 : 18,429,814,040.40 = 12,164,098,687.20 : x
  2. Step 2: Convert to fraction form
    12,286,542,693.60/18,429,814,040.40 = 12,164,098,687.20/x
  3. Step 3: Cross multiply
    12,286,542,693.60x = 18,429,814,040.40 × 12,164,098,687.20
  4. Step 4: Simplify right side
    12,286,542,693.60x = 224,182,076,774,169,804,800
  5. Step 5: Solve for x
    x = 224,182,076,774,169,804,800/12,286,542,693.60
  6. Step 6: Final answer
    x = 18,246,148,030.80

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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.