Home / 810,910,238,010.25-1,119,057,236,618.80-440,113,661,664.88

Finding the Fourth Proportional to 810,910,238,010.25, 1,119,057,236,618.80 and 440,113,661,664.88

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Solution

The fourth proportional to 810,910,238,010.25, 1,119,057,236,618.80 and 440,113,661,664.88 is: 607,357,454,543.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,910,238,010.25 : 1,119,057,236,618.80 = 440,113,661,664.88 : x
  2. Step 2: Convert to fraction form
    810,910,238,010.25/1,119,057,236,618.80 = 440,113,661,664.88/x
  3. Step 3: Cross multiply
    810,910,238,010.25x = 1,119,057,236,618.80 × 440,113,661,664.88
  4. Step 4: Simplify right side
    810,910,238,010.25x = 492,512,378,020,882,120,966,144
  5. Step 5: Solve for x
    x = 492,512,378,020,882,120,966,144/810,910,238,010.25
  6. Step 6: Final answer
    x = 607,357,454,543.15

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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.