Home / 12,974,365,981.04-17,905,320,250.08-7,258,309,419.36

Finding the Fourth Proportional to 12,974,365,981.04, 17,905,320,250.08 and 7,258,309,419.36

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Solution

The fourth proportional to 12,974,365,981.04, 17,905,320,250.08 and 7,258,309,419.36 is: 10,016,855,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974,365,981.04 : 17,905,320,250.08 = 7,258,309,419.36 : x
  2. Step 2: Convert to fraction form
    12,974,365,981.04/17,905,320,250.08 = 7,258,309,419.36/x
  3. Step 3: Cross multiply
    12,974,365,981.04x = 17,905,320,250.08 × 7,258,309,419.36
  4. Step 4: Simplify right side
    12,974,365,981.04x = 129,962,354,627,813,015,552
  5. Step 5: Solve for x
    x = 129,962,354,627,813,015,552/12,974,365,981.04
  6. Step 6: Final answer
    x = 10,016,855,915.56

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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.