Home / 21,823,966,047.44-30,117,016,499.10-12,178,594,885.52

Finding the Fourth Proportional to 21,823,966,047.44, 30,117,016,499.10 and 12,178,594,885.52

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Solution

The fourth proportional to 21,823,966,047.44, 30,117,016,499.10 and 12,178,594,885.52 is: 16,806,429,331.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,823,966,047.44 : 30,117,016,499.10 = 12,178,594,885.52 : x
  2. Step 2: Convert to fraction form
    21,823,966,047.44/30,117,016,499.10 = 12,178,594,885.52/x
  3. Step 3: Cross multiply
    21,823,966,047.44x = 30,117,016,499.10 × 12,178,594,885.52
  4. Step 4: Simplify right side
    21,823,966,047.44x = 366,782,943,103,060,738,048
  5. Step 5: Solve for x
    x = 366,782,943,103,060,738,048/21,823,966,047.44
  6. Step 6: Final answer
    x = 16,806,429,331.21

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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.