Home / 807,409,837.79-1,114,226,024.48-436,131,872.81

Finding the Fourth Proportional to 807,409,837.79, 1,114,226,024.48 and 436,131,872.81

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Solution

The fourth proportional to 807,409,837.79, 1,114,226,024.48 and 436,131,872.81 is: 601,862,226.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,409,837.79 : 1,114,226,024.48 = 436,131,872.81 : x
  2. Step 2: Convert to fraction form
    807,409,837.79/1,114,226,024.48 = 436,131,872.81/x
  3. Step 3: Cross multiply
    807,409,837.79x = 1,114,226,024.48 × 436,131,872.81
  4. Step 4: Simplify right side
    807,409,837.79x = 485,949,482,785,622,528
  5. Step 5: Solve for x
    x = 485,949,482,785,622,528/807,409,837.79
  6. Step 6: Final answer
    x = 601,862,226.65

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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.