Home / 21,275,136,026.40-31,912,704,039.60-8,010,368,666.40

Finding the Fourth Proportional to 21,275,136,026.40, 31,912,704,039.60 and 8,010,368,666.40

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Solution

The fourth proportional to 21,275,136,026.40, 31,912,704,039.60 and 8,010,368,666.40 is: 12,015,552,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,136,026.40 : 31,912,704,039.60 = 8,010,368,666.40 : x
  2. Step 2: Convert to fraction form
    21,275,136,026.40/31,912,704,039.60 = 8,010,368,666.40/x
  3. Step 3: Cross multiply
    21,275,136,026.40x = 31,912,704,039.60 × 8,010,368,666.40
  4. Step 4: Simplify right side
    21,275,136,026.40x = 255,632,524,498,908,512,256
  5. Step 5: Solve for x
    x = 255,632,524,498,908,512,256/21,275,136,026.40
  6. Step 6: Final answer
    x = 12,015,552,999.60

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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.