Home / 13,507,564,962.36-18,640,441,414.96-7,486,459,091.23

Finding the Fourth Proportional to 13,507,564,962.36, 18,640,441,414.96 and 7,486,459,091.23

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Solution

The fourth proportional to 13,507,564,962.36, 18,640,441,414.96 and 7,486,459,091.23 is: 10,331,314,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,564,962.36 : 18,640,441,414.96 = 7,486,459,091.23 : x
  2. Step 2: Convert to fraction form
    13,507,564,962.36/18,640,441,414.96 = 7,486,459,091.23/x
  3. Step 3: Cross multiply
    13,507,564,962.36x = 18,640,441,414.96 × 7,486,459,091.23
  4. Step 4: Simplify right side
    13,507,564,962.36x = 139,550,902,095,539,470,336
  5. Step 5: Solve for x
    x = 139,550,902,095,539,470,336/13,507,564,962.36
  6. Step 6: Final answer
    x = 10,331,314,525.18

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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.