Home / 30,505,905,219.83-45,758,011,952.80-8,121,845,610.10

Finding the Fourth Proportional to 30,505,905,219.83, 45,758,011,952.80 and 8,121,845,610.10

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Solution

The fourth proportional to 30,505,905,219.83, 45,758,011,952.80 and 8,121,845,610.10 is: 12,182,543,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,505,905,219.83 : 45,758,011,952.80 = 8,121,845,610.10 : x
  2. Step 2: Convert to fraction form
    30,505,905,219.83/45,758,011,952.80 = 8,121,845,610.10/x
  3. Step 3: Cross multiply
    30,505,905,219.83x = 45,758,011,952.80 × 8,121,845,610.10
  4. Step 4: Simplify right side
    30,505,905,219.83x = 371,639,508,505,552,683,008
  5. Step 5: Solve for x
    x = 371,639,508,505,552,683,008/30,505,905,219.83
  6. Step 6: Final answer
    x = 12,182,543,210.16

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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.