Home / 852,254,691.81-1,175,776,840.90-494,961,646.56

Finding the Fourth Proportional to 852,254,691.81, 1,175,776,840.90 and 494,961,646.56

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Solution

The fourth proportional to 852,254,691.81, 1,175,776,840.90 and 494,961,646.56 is: 682,852,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,254,691.81 : 1,175,776,840.90 = 494,961,646.56 : x
  2. Step 2: Convert to fraction form
    852,254,691.81/1,175,776,840.90 = 494,961,646.56/x
  3. Step 3: Cross multiply
    852,254,691.81x = 1,175,776,840.90 × 494,961,646.56
  4. Step 4: Simplify right side
    852,254,691.81x = 581,964,441,158,979,200
  5. Step 5: Solve for x
    x = 581,964,441,158,979,200/852,254,691.81
  6. Step 6: Final answer
    x = 682,852,727.89

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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.