Home / 13,507,564,958.30-18,640,441,409.35-7,486,459,087.17

Finding the Fourth Proportional to 13,507,564,958.30, 18,640,441,409.35 and 7,486,459,087.17

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Solution

The fourth proportional to 13,507,564,958.30, 18,640,441,409.35 and 7,486,459,087.17 is: 10,331,314,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,564,958.30 : 18,640,441,409.35 = 7,486,459,087.17 : x
  2. Step 2: Convert to fraction form
    13,507,564,958.30/18,640,441,409.35 = 7,486,459,087.17/x
  3. Step 3: Cross multiply
    13,507,564,958.30x = 18,640,441,409.35 × 7,486,459,087.17
  4. Step 4: Simplify right side
    13,507,564,958.30x = 139,550,901,977,888,260,096
  5. Step 5: Solve for x
    x = 139,550,901,977,888,260,096/13,507,564,958.30
  6. Step 6: Final answer
    x = 10,331,314,519.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.