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Finding the Fourth Proportional to 604,646,860.95, 834,410,621.90 and 340,328,700.86

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Solution

The fourth proportional to 604,646,860.95, 834,410,621.90 and 340,328,700.86 is: 469,652,455.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,646,860.95 : 834,410,621.90 = 340,328,700.86 : x
  2. Step 2: Convert to fraction form
    604,646,860.95/834,410,621.90 = 340,328,700.86/x
  3. Step 3: Cross multiply
    604,646,860.95x = 834,410,621.90 × 340,328,700.86
  4. Step 4: Simplify right side
    604,646,860.95x = 283,973,882,931,690,464
  5. Step 5: Solve for x
    x = 283,973,882,931,690,464/604,646,860.95
  6. Step 6: Final answer
    x = 469,652,455.46

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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.