Home / 2,115,455,428.90-3,173,183,143.35-1,885,683,960.10

Finding the Fourth Proportional to 2,115,455,428.90, 3,173,183,143.35 and 1,885,683,960.10

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Solution

The fourth proportional to 2,115,455,428.90, 3,173,183,143.35 and 1,885,683,960.10 is: 2,828,525,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,455,428.90 : 3,173,183,143.35 = 1,885,683,960.10 : x
  2. Step 2: Convert to fraction form
    2,115,455,428.90/3,173,183,143.35 = 1,885,683,960.10/x
  3. Step 3: Cross multiply
    2,115,455,428.90x = 3,173,183,143.35 × 1,885,683,960.10
  4. Step 4: Simplify right side
    2,115,455,428.90x = 5,983,620,555,874,793,472
  5. Step 5: Solve for x
    x = 5,983,620,555,874,793,472/2,115,455,428.90
  6. Step 6: Final answer
    x = 2,828,525,940.15

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Double scale
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1.5x scale

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.