Home / 13,507,564,959.30-18,640,441,410.73-7,486,459,088.17

Finding the Fourth Proportional to 13,507,564,959.30, 18,640,441,410.73 and 7,486,459,088.17

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Solution

The fourth proportional to 13,507,564,959.30, 18,640,441,410.73 and 7,486,459,088.17 is: 10,331,314,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,564,959.30 : 18,640,441,410.73 = 7,486,459,088.17 : x
  2. Step 2: Convert to fraction form
    13,507,564,959.30/18,640,441,410.73 = 7,486,459,088.17/x
  3. Step 3: Cross multiply
    13,507,564,959.30x = 18,640,441,410.73 × 7,486,459,088.17
  4. Step 4: Simplify right side
    13,507,564,959.30x = 139,550,902,006,860,021,760
  5. Step 5: Solve for x
    x = 139,550,902,006,860,021,760/13,507,564,959.30
  6. Step 6: Final answer
    x = 10,331,314,520.96

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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.