Home / 455,544,019.60-683,316,029.40-209,900,179.60

Finding the Fourth Proportional to 455,544,019.60, 683,316,029.40 and 209,900,179.60

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Solution

The fourth proportional to 455,544,019.60, 683,316,029.40 and 209,900,179.60 is: 314,850,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,544,019.60 : 683,316,029.40 = 209,900,179.60 : x
  2. Step 2: Convert to fraction form
    455,544,019.60/683,316,029.40 = 209,900,179.60/x
  3. Step 3: Cross multiply
    455,544,019.60x = 683,316,029.40 × 209,900,179.60
  4. Step 4: Simplify right side
    455,544,019.60x = 143,428,157,294,618,864
  5. Step 5: Solve for x
    x = 143,428,157,294,618,864/455,544,019.60
  6. Step 6: Final answer
    x = 314,850,269.40

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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.