Home / 21,302,320,221.40-31,953,480,332.10-8,889,559,072.60

Finding the Fourth Proportional to 21,302,320,221.40, 31,953,480,332.10 and 8,889,559,072.60

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Solution

The fourth proportional to 21,302,320,221.40, 31,953,480,332.10 and 8,889,559,072.60 is: 13,334,338,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,320,221.40 : 31,953,480,332.10 = 8,889,559,072.60 : x
  2. Step 2: Convert to fraction form
    21,302,320,221.40/31,953,480,332.10 = 8,889,559,072.60/x
  3. Step 3: Cross multiply
    21,302,320,221.40x = 31,953,480,332.10 × 8,889,559,072.60
  4. Step 4: Simplify right side
    21,302,320,221.40x = 284,052,350,987,365,220,352
  5. Step 5: Solve for x
    x = 284,052,350,987,365,220,352/21,302,320,221.40
  6. Step 6: Final answer
    x = 13,334,338,608.90

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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.