Home / 873,679,362.40-1,310,519,043.60-414,514,338.40

Finding the Fourth Proportional to 873,679,362.40, 1,310,519,043.60 and 414,514,338.40

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Solution

The fourth proportional to 873,679,362.40, 1,310,519,043.60 and 414,514,338.40 is: 621,771,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,679,362.40 : 1,310,519,043.60 = 414,514,338.40 : x
  2. Step 2: Convert to fraction form
    873,679,362.40/1,310,519,043.60 = 414,514,338.40/x
  3. Step 3: Cross multiply
    873,679,362.40x = 1,310,519,043.60 × 414,514,338.40
  4. Step 4: Simplify right side
    873,679,362.40x = 543,228,934,318,454,656
  5. Step 5: Solve for x
    x = 543,228,934,318,454,656/873,679,362.40
  6. Step 6: Final answer
    x = 621,771,507.60

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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.