Home / 12,509,666,010.78-17,263,676,218.23-7,360,072,943.04

Finding the Fourth Proportional to 12,509,666,010.78, 17,263,676,218.23 and 7,360,072,943.04

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Solution

The fourth proportional to 12,509,666,010.78, 17,263,676,218.23 and 7,360,072,943.04 is: 10,157,099,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,666,010.78 : 17,263,676,218.23 = 7,360,072,943.04 : x
  2. Step 2: Convert to fraction form
    12,509,666,010.78/17,263,676,218.23 = 7,360,072,943.04/x
  3. Step 3: Cross multiply
    12,509,666,010.78x = 17,263,676,218.23 × 7,360,072,943.04
  4. Step 4: Simplify right side
    12,509,666,010.78x = 127,061,916,231,197,736,960
  5. Step 5: Solve for x
    x = 127,061,916,231,197,736,960/12,509,666,010.78
  6. Step 6: Final answer
    x = 10,157,099,008.22

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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.