Home / 30,505,905,220.83-45,758,011,954.30-8,121,845,611.10

Finding the Fourth Proportional to 30,505,905,220.83, 45,758,011,954.30 and 8,121,845,611.10

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Solution

The fourth proportional to 30,505,905,220.83, 45,758,011,954.30 and 8,121,845,611.10 is: 12,182,543,211.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,905,220.83 : 45,758,011,954.30 = 8,121,845,611.10 : x
  2. Step 2: Convert to fraction form
    30,505,905,220.83/45,758,011,954.30 = 8,121,845,611.10/x
  3. Step 3: Cross multiply
    30,505,905,220.83x = 45,758,011,954.30 × 8,121,845,611.10
  4. Step 4: Simplify right side
    30,505,905,220.83x = 371,639,508,563,464,028,160
  5. Step 5: Solve for x
    x = 371,639,508,563,464,028,160/30,505,905,220.83
  6. Step 6: Final answer
    x = 12,182,543,211.66

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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.