Home / 555,336,371,878.05-765,589,506,961.47-372,466,152,660.27

Finding the Fourth Proportional to 555,336,371,878.05, 765,589,506,961.47 and 372,466,152,660.27

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Solution

The fourth proportional to 555,336,371,878.05, 765,589,506,961.47 and 372,466,152,660.27 is: 513,483,705,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,336,371,878.05 : 765,589,506,961.47 = 372,466,152,660.27 : x
  2. Step 2: Convert to fraction form
    555,336,371,878.05/765,589,506,961.47 = 372,466,152,660.27/x
  3. Step 3: Cross multiply
    555,336,371,878.05x = 765,589,506,961.47 × 372,466,152,660.27
  4. Step 4: Simplify right side
    555,336,371,878.05x = 285,156,178,175,011,745,431,552
  5. Step 5: Solve for x
    x = 285,156,178,175,011,745,431,552/555,336,371,878.05
  6. Step 6: Final answer
    x = 513,483,705,759.56

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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.