Home / 13,681,593,171-18,881,376,581.64-7,660,045,894.18

Finding the Fourth Proportional to 13,681,593,171, 18,881,376,581.64 and 7,660,045,894.18

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Solution

The fourth proportional to 13,681,593,171, 18,881,376,581.64 and 7,660,045,894.18 is: 10,571,298,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,681,593,171 : 18,881,376,581.64 = 7,660,045,894.18 : x
  2. Step 2: Convert to fraction form
    13,681,593,171/18,881,376,581.64 = 7,660,045,894.18/x
  3. Step 3: Cross multiply
    13,681,593,171x = 18,881,376,581.64 × 7,660,045,894.18
  4. Step 4: Simplify right side
    13,681,593,171x = 144,632,211,160,657,887,232
  5. Step 5: Solve for x
    x = 144,632,211,160,657,887,232/13,681,593,171
  6. Step 6: Final answer
    x = 10,571,298,923.52

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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.