Home / 1,156,925,917.34-1,596,789,496.96-687,288,137.66

Finding the Fourth Proportional to 1,156,925,917.34, 1,596,789,496.96 and 687,288,137.66

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Solution

The fourth proportional to 1,156,925,917.34, 1,596,789,496.96 and 687,288,137.66 is: 948,595,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,925,917.34 : 1,596,789,496.96 = 687,288,137.66 : x
  2. Step 2: Convert to fraction form
    1,156,925,917.34/1,596,789,496.96 = 687,288,137.66/x
  3. Step 3: Cross multiply
    1,156,925,917.34x = 1,596,789,496.96 × 687,288,137.66
  4. Step 4: Simplify right side
    1,156,925,917.34x = 1,097,454,479,600,686,592
  5. Step 5: Solve for x
    x = 1,097,454,479,600,686,592/1,156,925,917.34
  6. Step 6: Final answer
    x = 948,595,293.05

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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.