Home / 917,536,464.60-1,266,202,635.48-499,851,793.32

Finding the Fourth Proportional to 917,536,464.60, 1,266,202,635.48 and 499,851,793.32

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Solution

The fourth proportional to 917,536,464.60, 1,266,202,635.48 and 499,851,793.32 is: 689,796,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,536,464.60 : 1,266,202,635.48 = 499,851,793.32 : x
  2. Step 2: Convert to fraction form
    917,536,464.60/1,266,202,635.48 = 499,851,793.32/x
  3. Step 3: Cross multiply
    917,536,464.60x = 1,266,202,635.48 × 499,851,793.32
  4. Step 4: Simplify right side
    917,536,464.60x = 632,913,658,051,188,224
  5. Step 5: Solve for x
    x = 632,913,658,051,188,224/917,536,464.60
  6. Step 6: Final answer
    x = 689,796,735.57

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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.