Home / 499,688,730,107.52-689,570,447,548.44-285,832,620,179.52

Finding the Fourth Proportional to 499,688,730,107.52, 689,570,447,548.44 and 285,832,620,179.52

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Solution

The fourth proportional to 499,688,730,107.52, 689,570,447,548.44 and 285,832,620,179.52 is: 394,449,015,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,688,730,107.52 : 689,570,447,548.44 = 285,832,620,179.52 : x
  2. Step 2: Convert to fraction form
    499,688,730,107.52/689,570,447,548.44 = 285,832,620,179.52/x
  3. Step 3: Cross multiply
    499,688,730,107.52x = 689,570,447,548.44 × 285,832,620,179.52
  4. Step 4: Simplify right side
    499,688,730,107.52x = 197,101,727,821,134,877,949,952
  5. Step 5: Solve for x
    x = 197,101,727,821,134,877,949,952/499,688,730,107.52
  6. Step 6: Final answer
    x = 394,449,015,847.77

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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.