Home / 773,669,438.10-1,160,504,157.15-386,248,949.10

Finding the Fourth Proportional to 773,669,438.10, 1,160,504,157.15 and 386,248,949.10

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Solution

The fourth proportional to 773,669,438.10, 1,160,504,157.15 and 386,248,949.10 is: 579,373,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,669,438.10 : 1,160,504,157.15 = 386,248,949.10 : x
  2. Step 2: Convert to fraction form
    773,669,438.10/1,160,504,157.15 = 386,248,949.10/x
  3. Step 3: Cross multiply
    773,669,438.10x = 1,160,504,157.15 × 386,248,949.10
  4. Step 4: Simplify right side
    773,669,438.10x = 448,243,511,125,368,832
  5. Step 5: Solve for x
    x = 448,243,511,125,368,832/773,669,438.10
  6. Step 6: Final answer
    x = 579,373,423.65

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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.