Home / 66,435,924,364.09-99,642,646,597.43-18,617,928,403.61

Finding the Fourth Proportional to 66,435,924,364.09, 99,642,646,597.43 and 18,617,928,403.61

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Solution

The fourth proportional to 66,435,924,364.09, 99,642,646,597.43 and 18,617,928,403.61 is: 27,923,742,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435,924,364.09 : 99,642,646,597.43 = 18,617,928,403.61 : x
  2. Step 2: Convert to fraction form
    66,435,924,364.09/99,642,646,597.43 = 18,617,928,403.61/x
  3. Step 3: Cross multiply
    66,435,924,364.09x = 99,642,646,597.43 × 18,617,928,403.61
  4. Step 4: Simplify right side
    66,435,924,364.09x = 1,855,139,660,297,072,279,552
  5. Step 5: Solve for x
    x = 1,855,139,660,297,072,279,552/66,435,924,364.09
  6. Step 6: Final answer
    x = 27,923,742,734.89

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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.