Home / 784,336,113.63-1,175,403,049.92-619,850,774.43

Finding the Fourth Proportional to 784,336,113.63, 1,175,403,049.92 and 619,850,774.43

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Solution

The fourth proportional to 784,336,113.63, 1,175,403,049.92 and 619,850,774.43 is: 928,905,960.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,336,113.63 : 1,175,403,049.92 = 619,850,774.43 : x
  2. Step 2: Convert to fraction form
    784,336,113.63/1,175,403,049.92 = 619,850,774.43/x
  3. Step 3: Cross multiply
    784,336,113.63x = 1,175,403,049.92 × 619,850,774.43
  4. Step 4: Simplify right side
    784,336,113.63x = 728,574,490,760,295,936
  5. Step 5: Solve for x
    x = 728,574,490,760,295,936/784,336,113.63
  6. Step 6: Final answer
    x = 928,905,960.21

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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.