Home / 12,509,666,010.28-17,263,676,217.54-7,360,072,942.54

Finding the Fourth Proportional to 12,509,666,010.28, 17,263,676,217.54 and 7,360,072,942.54

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Solution

The fourth proportional to 12,509,666,010.28, 17,263,676,217.54 and 7,360,072,942.54 is: 10,157,099,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,666,010.28 : 17,263,676,217.54 = 7,360,072,942.54 : x
  2. Step 2: Convert to fraction form
    12,509,666,010.28/17,263,676,217.54 = 7,360,072,942.54/x
  3. Step 3: Cross multiply
    12,509,666,010.28x = 17,263,676,217.54 × 7,360,072,942.54
  4. Step 4: Simplify right side
    12,509,666,010.28x = 127,061,916,217,487,458,304
  5. Step 5: Solve for x
    x = 127,061,916,217,487,458,304/12,509,666,010.28
  6. Step 6: Final answer
    x = 10,157,099,007.53

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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.