Home / 1,106,643,683.42-1,527,872,610.39-689,568,695.90

Finding the Fourth Proportional to 1,106,643,683.42, 1,527,872,610.39 and 689,568,695.90

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Solution

The fourth proportional to 1,106,643,683.42, 1,527,872,610.39 and 689,568,695.90 is: 952,043,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,643,683.42 : 1,527,872,610.39 = 689,568,695.90 : x
  2. Step 2: Convert to fraction form
    1,106,643,683.42/1,527,872,610.39 = 689,568,695.90/x
  3. Step 3: Cross multiply
    1,106,643,683.42x = 1,527,872,610.39 × 689,568,695.90
  4. Step 4: Simplify right side
    1,106,643,683.42x = 1,053,573,123,447,961,088
  5. Step 5: Solve for x
    x = 1,053,573,123,447,961,088/1,106,643,683.42
  6. Step 6: Final answer
    x = 952,043,678.77

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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.