Home / 12,412,869,272.80-18,619,254,920.40-3,688,733,816.80

Finding the Fourth Proportional to 12,412,869,272.80, 18,619,254,920.40 and 3,688,733,816.80

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Solution

The fourth proportional to 12,412,869,272.80, 18,619,254,920.40 and 3,688,733,816.80 is: 5,533,086,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,869,272.80 : 18,619,254,920.40 = 3,688,733,816.80 : x
  2. Step 2: Convert to fraction form
    12,412,869,272.80/18,619,254,920.40 = 3,688,733,816.80/x
  3. Step 3: Cross multiply
    12,412,869,272.80x = 18,619,254,920.40 × 3,688,733,816.80
  4. Step 4: Simplify right side
    12,412,869,272.80x = 68,681,475,268,499,283,968
  5. Step 5: Solve for x
    x = 68,681,475,268,499,283,968/12,412,869,272.80
  6. Step 6: Final answer
    x = 5,533,086,167.19

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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.