Home / 448,908,412.20-673,362,618.30-423,966,114.60

Finding the Fourth Proportional to 448,908,412.20, 673,362,618.30 and 423,966,114.60

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Solution

The fourth proportional to 448,908,412.20, 673,362,618.30 and 423,966,114.60 is: 635,949,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,908,412.20 : 673,362,618.30 = 423,966,114.60 : x
  2. Step 2: Convert to fraction form
    448,908,412.20/673,362,618.30 = 423,966,114.60/x
  3. Step 3: Cross multiply
    448,908,412.20x = 673,362,618.30 × 423,966,114.60
  4. Step 4: Simplify right side
    448,908,412.20x = 285,482,932,997,533,856
  5. Step 5: Solve for x
    x = 285,482,932,997,533,856/448,908,412.20
  6. Step 6: Final answer
    x = 635,949,171.90

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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.