Home / 5,338,458,819.60-8,007,688,229.40-4,975,661,763.60

Finding the Fourth Proportional to 5,338,458,819.60, 8,007,688,229.40 and 4,975,661,763.60

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Solution

The fourth proportional to 5,338,458,819.60, 8,007,688,229.40 and 4,975,661,763.60 is: 7,463,492,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,458,819.60 : 8,007,688,229.40 = 4,975,661,763.60 : x
  2. Step 2: Convert to fraction form
    5,338,458,819.60/8,007,688,229.40 = 4,975,661,763.60/x
  3. Step 3: Cross multiply
    5,338,458,819.60x = 8,007,688,229.40 × 4,975,661,763.60
  4. Step 4: Simplify right side
    5,338,458,819.60x = 39,843,548,137,855,369,216
  5. Step 5: Solve for x
    x = 39,843,548,137,855,369,216/5,338,458,819.60
  6. Step 6: Final answer
    x = 7,463,492,645.40

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Double scale
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Similar ratio
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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.