Home / 20,162,688,205.30-30,244,032,307.95-5,440,686,003.70

Finding the Fourth Proportional to 20,162,688,205.30, 30,244,032,307.95 and 5,440,686,003.70

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Solution

The fourth proportional to 20,162,688,205.30, 30,244,032,307.95 and 5,440,686,003.70 is: 8,161,029,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162,688,205.30 : 30,244,032,307.95 = 5,440,686,003.70 : x
  2. Step 2: Convert to fraction form
    20,162,688,205.30/30,244,032,307.95 = 5,440,686,003.70/x
  3. Step 3: Cross multiply
    20,162,688,205.30x = 30,244,032,307.95 × 5,440,686,003.70
  4. Step 4: Simplify right side
    20,162,688,205.30x = 164,548,283,273,314,172,928
  5. Step 5: Solve for x
    x = 164,548,283,273,314,172,928/20,162,688,205.30
  6. Step 6: Final answer
    x = 8,161,029,005.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.