Home / 13,507,564,966.55-18,640,441,420.78-7,486,459,095.36

Finding the Fourth Proportional to 13,507,564,966.55, 18,640,441,420.78 and 7,486,459,095.36

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Solution

The fourth proportional to 13,507,564,966.55, 18,640,441,420.78 and 7,486,459,095.36 is: 10,331,314,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,564,966.55 : 18,640,441,420.78 = 7,486,459,095.36 : x
  2. Step 2: Convert to fraction form
    13,507,564,966.55/18,640,441,420.78 = 7,486,459,095.36/x
  3. Step 3: Cross multiply
    13,507,564,966.55x = 18,640,441,420.78 × 7,486,459,095.36
  4. Step 4: Simplify right side
    13,507,564,966.55x = 139,550,902,216,198,275,072
  5. Step 5: Solve for x
    x = 139,550,902,216,198,275,072/13,507,564,966.55
  6. Step 6: Final answer
    x = 10,331,314,530.92

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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.