Home / 2,175,929,138.53-3,002,792,379.89-1,236,183,346.83

Finding the Fourth Proportional to 2,175,929,138.53, 3,002,792,379.89 and 1,236,183,346.83

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Solution

The fourth proportional to 2,175,929,138.53, 3,002,792,379.89 and 1,236,183,346.83 is: 1,705,938,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,929,138.53 : 3,002,792,379.89 = 1,236,183,346.83 : x
  2. Step 2: Convert to fraction form
    2,175,929,138.53/3,002,792,379.89 = 1,236,183,346.83/x
  3. Step 3: Cross multiply
    2,175,929,138.53x = 3,002,792,379.89 × 1,236,183,346.83
  4. Step 4: Simplify right side
    2,175,929,138.53x = 3,712,001,934,008,040,448
  5. Step 5: Solve for x
    x = 3,712,001,934,008,040,448/2,175,929,138.53
  6. Step 6: Final answer
    x = 1,705,938,795.65

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Double scale
Find fourth proportional to 2,175,929,139.53, 3,002,792,381.27 and 1,236,183,347.83
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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.