Home / 66,435,924,365.60-99,642,646,599.68-18,617,928,405.11

Finding the Fourth Proportional to 66,435,924,365.60, 99,642,646,599.68 and 18,617,928,405.11

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Solution

The fourth proportional to 66,435,924,365.60, 99,642,646,599.68 and 18,617,928,405.11 is: 27,923,742,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,435,924,365.60 : 99,642,646,599.68 = 18,617,928,405.11 : x
  2. Step 2: Convert to fraction form
    66,435,924,365.60/99,642,646,599.68 = 18,617,928,405.11/x
  3. Step 3: Cross multiply
    66,435,924,365.60x = 99,642,646,599.68 × 18,617,928,405.11
  4. Step 4: Simplify right side
    66,435,924,365.60x = 1,855,139,660,487,928,315,904
  5. Step 5: Solve for x
    x = 1,855,139,660,487,928,315,904/66,435,924,365.60
  6. Step 6: Final answer
    x = 27,923,742,737.12

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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.