Home / 757,511,523.84-1,046,087,876.64-716,242,768.20

Finding the Fourth Proportional to 757,511,523.84, 1,046,087,876.64 and 716,242,768.20

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Solution

The fourth proportional to 757,511,523.84, 1,046,087,876.64 and 716,242,768.20 is: 989,097,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,511,523.84 : 1,046,087,876.64 = 716,242,768.20 : x
  2. Step 2: Convert to fraction form
    757,511,523.84/1,046,087,876.64 = 716,242,768.20/x
  3. Step 3: Cross multiply
    757,511,523.84x = 1,046,087,876.64 × 716,242,768.20
  4. Step 4: Simplify right side
    757,511,523.84x = 749,252,876,545,093,760
  5. Step 5: Solve for x
    x = 749,252,876,545,093,760/757,511,523.84
  6. Step 6: Final answer
    x = 989,097,661.18

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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.