Home / 527,037,642.23-785,844,606.92-512,557,612.43

Finding the Fourth Proportional to 527,037,642.23, 785,844,606.92 and 512,557,612.43

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Solution

The fourth proportional to 527,037,642.23, 785,844,606.92 and 512,557,612.43 is: 764,254,017.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,037,642.23 : 785,844,606.92 = 512,557,612.43 : x
  2. Step 2: Convert to fraction form
    527,037,642.23/785,844,606.92 = 512,557,612.43/x
  3. Step 3: Cross multiply
    527,037,642.23x = 785,844,606.92 × 512,557,612.43
  4. Step 4: Simplify right side
    527,037,642.23x = 402,790,635,457,415,040
  5. Step 5: Solve for x
    x = 402,790,635,457,415,040/527,037,642.23
  6. Step 6: Final answer
    x = 764,254,017.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.