Home / 30,505,905,384.24-45,758,012,200.02-8,121,845,774.50

Finding the Fourth Proportional to 30,505,905,384.24, 45,758,012,200.02 and 8,121,845,774.50

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Solution

The fourth proportional to 30,505,905,384.24, 45,758,012,200.02 and 8,121,845,774.50 is: 12,182,543,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,905,384.24 : 45,758,012,200.02 = 8,121,845,774.50 : x
  2. Step 2: Convert to fraction form
    30,505,905,384.24/45,758,012,200.02 = 8,121,845,774.50/x
  3. Step 3: Cross multiply
    30,505,905,384.24x = 45,758,012,200.02 × 8,121,845,774.50
  4. Step 4: Simplify right side
    30,505,905,384.24x = 371,639,518,036,251,836,416
  5. Step 5: Solve for x
    x = 371,639,518,036,251,836,416/30,505,905,384.24
  6. Step 6: Final answer
    x = 12,182,543,456.92

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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.