Home / 12,768,903,955.06-17,620,734,021.78-7,053,085,938.94

Finding the Fourth Proportional to 12,768,903,955.06, 17,620,734,021.78 and 7,053,085,938.94

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Solution

The fourth proportional to 12,768,903,955.06, 17,620,734,021.78 and 7,053,085,938.94 is: 9,733,063,370.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,903,955.06 : 17,620,734,021.78 = 7,053,085,938.94 : x
  2. Step 2: Convert to fraction form
    12,768,903,955.06/17,620,734,021.78 = 7,053,085,938.94/x
  3. Step 3: Cross multiply
    12,768,903,955.06x = 17,620,734,021.78 × 7,053,085,938.94
  4. Step 4: Simplify right side
    12,768,903,955.06x = 124,280,551,362,818,179,072
  5. Step 5: Solve for x
    x = 124,280,551,362,818,179,072/12,768,903,955.06
  6. Step 6: Final answer
    x = 9,733,063,370.22

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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.