Home / 2,038,421,650.43-2,812,977,787.03-1,180,132,423.64

Finding the Fourth Proportional to 2,038,421,650.43, 2,812,977,787.03 and 1,180,132,423.64

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Solution

The fourth proportional to 2,038,421,650.43, 2,812,977,787.03 and 1,180,132,423.64 is: 1,628,557,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,421,650.43 : 2,812,977,787.03 = 1,180,132,423.64 : x
  2. Step 2: Convert to fraction form
    2,038,421,650.43/2,812,977,787.03 = 1,180,132,423.64/x
  3. Step 3: Cross multiply
    2,038,421,650.43x = 2,812,977,787.03 × 1,180,132,423.64
  4. Step 4: Simplify right side
    2,038,421,650.43x = 3,319,686,293,453,198,336
  5. Step 5: Solve for x
    x = 3,319,686,293,453,198,336/2,038,421,650.43
  6. Step 6: Final answer
    x = 1,628,557,218.65

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Double scale
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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.