Home / 631,049,135.40-946,573,703.10-291,310,511.40

Finding the Fourth Proportional to 631,049,135.40, 946,573,703.10 and 291,310,511.40

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Solution

The fourth proportional to 631,049,135.40, 946,573,703.10 and 291,310,511.40 is: 436,965,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,049,135.40 : 946,573,703.10 = 291,310,511.40 : x
  2. Step 2: Convert to fraction form
    631,049,135.40/946,573,703.10 = 291,310,511.40/x
  3. Step 3: Cross multiply
    631,049,135.40x = 946,573,703.10 × 291,310,511.40
  4. Step 4: Simplify right side
    631,049,135.40x = 275,746,869,527,852,736
  5. Step 5: Solve for x
    x = 275,746,869,527,852,736/631,049,135.40
  6. Step 6: Final answer
    x = 436,965,767.10

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Similar ratio
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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.