Home / 1,081,392,106.84-1,492,350,451.02-611,563,685.56

Finding the Fourth Proportional to 1,081,392,106.84, 1,492,350,451.02 and 611,563,685.56

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Solution

The fourth proportional to 1,081,392,106.84, 1,492,350,451.02 and 611,563,685.56 is: 843,974,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,392,106.84 : 1,492,350,451.02 = 611,563,685.56 : x
  2. Step 2: Convert to fraction form
    1,081,392,106.84/1,492,350,451.02 = 611,563,685.56/x
  3. Step 3: Cross multiply
    1,081,392,106.84x = 1,492,350,451.02 × 611,563,685.56
  4. Step 4: Simplify right side
    1,081,392,106.84x = 912,667,341,972,919,424
  5. Step 5: Solve for x
    x = 912,667,341,972,919,424/1,081,392,106.84
  6. Step 6: Final answer
    x = 843,974,480.86

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Double scale
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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.