Home / 3,439,836,537.79-4,746,900,019.30-1,991,473,467.58

Finding the Fourth Proportional to 3,439,836,537.79, 4,746,900,019.30 and 1,991,473,467.58

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Solution

The fourth proportional to 3,439,836,537.79, 4,746,900,019.30 and 1,991,473,467.58 is: 2,748,190,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439,836,537.79 : 4,746,900,019.30 = 1,991,473,467.58 : x
  2. Step 2: Convert to fraction form
    3,439,836,537.79/4,746,900,019.30 = 1,991,473,467.58/x
  3. Step 3: Cross multiply
    3,439,836,537.79x = 4,746,900,019.30 × 1,991,473,467.58
  4. Step 4: Simplify right side
    3,439,836,537.79x = 9,453,325,441,690,939,392
  5. Step 5: Solve for x
    x = 9,453,325,441,690,939,392/3,439,836,537.79
  6. Step 6: Final answer
    x = 2,748,190,310.16

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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.