Home / 30,505,905,220.58-45,758,011,953.92-8,121,845,610.85

Finding the Fourth Proportional to 30,505,905,220.58, 45,758,011,953.92 and 8,121,845,610.85

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Solution

The fourth proportional to 30,505,905,220.58, 45,758,011,953.92 and 8,121,845,610.85 is: 12,182,543,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,905,220.58 : 45,758,011,953.92 = 8,121,845,610.85 : x
  2. Step 2: Convert to fraction form
    30,505,905,220.58/45,758,011,953.92 = 8,121,845,610.85/x
  3. Step 3: Cross multiply
    30,505,905,220.58x = 45,758,011,953.92 × 8,121,845,610.85
  4. Step 4: Simplify right side
    30,505,905,220.58x = 371,639,508,549,076,910,080
  5. Step 5: Solve for x
    x = 371,639,508,549,076,910,080/30,505,905,220.58
  6. Step 6: Final answer
    x = 12,182,543,211.28

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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.