Home / 590,494,513.80-885,741,770.70-314,995,499.40

Finding the Fourth Proportional to 590,494,513.80, 885,741,770.70 and 314,995,499.40

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Solution

The fourth proportional to 590,494,513.80, 885,741,770.70 and 314,995,499.40 is: 472,493,249.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,494,513.80 : 885,741,770.70 = 314,995,499.40 : x
  2. Step 2: Convert to fraction form
    590,494,513.80/885,741,770.70 = 314,995,499.40/x
  3. Step 3: Cross multiply
    590,494,513.80x = 885,741,770.70 × 314,995,499.40
  4. Step 4: Simplify right side
    590,494,513.80x = 279,004,671,401,086,784
  5. Step 5: Solve for x
    x = 279,004,671,401,086,784/590,494,513.80
  6. Step 6: Final answer
    x = 472,493,249.10

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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.