Home / 827,431,231.68-1,141,863,899.04-456,166,549.08

Finding the Fourth Proportional to 827,431,231.68, 1,141,863,899.04 and 456,166,549.08

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Solution

The fourth proportional to 827,431,231.68, 1,141,863,899.04 and 456,166,549.08 is: 629,514,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,431,231.68 : 1,141,863,899.04 = 456,166,549.08 : x
  2. Step 2: Convert to fraction form
    827,431,231.68/1,141,863,899.04 = 456,166,549.08/x
  3. Step 3: Cross multiply
    827,431,231.68x = 1,141,863,899.04 × 456,166,549.08
  4. Step 4: Simplify right side
    827,431,231.68x = 520,880,114,344,110,272
  5. Step 5: Solve for x
    x = 520,880,114,344,110,272/827,431,231.68
  6. Step 6: Final answer
    x = 629,514,688.84

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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.