Home / 2,117,166,521-3,175,221,787.74-622,900,727.96

Finding the Fourth Proportional to 2,117,166,521, 3,175,221,787.74 and 622,900,727.96

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Solution

The fourth proportional to 2,117,166,521, 3,175,221,787.74 and 622,900,727.96 is: 934,195,748.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,166,521 : 3,175,221,787.74 = 622,900,727.96 : x
  2. Step 2: Convert to fraction form
    2,117,166,521/3,175,221,787.74 = 622,900,727.96/x
  3. Step 3: Cross multiply
    2,117,166,521x = 3,175,221,787.74 × 622,900,727.96
  4. Step 4: Simplify right side
    2,117,166,521x = 1,977,847,963,017,698,560
  5. Step 5: Solve for x
    x = 1,977,847,963,017,698,560/2,117,166,521
  6. Step 6: Final answer
    x = 934,195,748.61

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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.