Home / 823,251,189.86-1,136,088,625.35-451,997,152.10

Finding the Fourth Proportional to 823,251,189.86, 1,136,088,625.35 and 451,997,152.10

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Solution

The fourth proportional to 823,251,189.86, 1,136,088,625.35 and 451,997,152.10 is: 623,757,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,251,189.86 : 1,136,088,625.35 = 451,997,152.10 : x
  2. Step 2: Convert to fraction form
    823,251,189.86/1,136,088,625.35 = 451,997,152.10/x
  3. Step 3: Cross multiply
    823,251,189.86x = 1,136,088,625.35 × 451,997,152.10
  4. Step 4: Simplify right side
    823,251,189.86x = 513,508,823,191,403,840
  5. Step 5: Solve for x
    x = 513,508,823,191,403,840/823,251,189.86
  6. Step 6: Final answer
    x = 623,757,158.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.