Home / 21,508,728,221.80-32,263,092,332.70-12,210,636,485.80

Finding the Fourth Proportional to 21,508,728,221.80, 32,263,092,332.70 and 12,210,636,485.80

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Solution

The fourth proportional to 21,508,728,221.80, 32,263,092,332.70 and 12,210,636,485.80 is: 18,315,954,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,728,221.80 : 32,263,092,332.70 = 12,210,636,485.80 : x
  2. Step 2: Convert to fraction form
    21,508,728,221.80/32,263,092,332.70 = 12,210,636,485.80/x
  3. Step 3: Cross multiply
    21,508,728,221.80x = 32,263,092,332.70 × 12,210,636,485.80
  4. Step 4: Simplify right side
    21,508,728,221.80x = 393,952,892,382,400,806,912
  5. Step 5: Solve for x
    x = 393,952,892,382,400,806,912/21,508,728,221.80
  6. Step 6: Final answer
    x = 18,315,954,728.70

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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.