Home / 1,389,086,705.58-1,916,941,493.60-754,006,785

Finding the Fourth Proportional to 1,389,086,705.58, 1,916,941,493.60 and 754,006,785

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Solution

The fourth proportional to 1,389,086,705.58, 1,916,941,493.60 and 754,006,785 is: 1,040,530,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,086,705.58 : 1,916,941,493.60 = 754,006,785 : x
  2. Step 2: Convert to fraction form
    1,389,086,705.58/1,916,941,493.60 = 754,006,785/x
  3. Step 3: Cross multiply
    1,389,086,705.58x = 1,916,941,493.60 × 754,006,785
  4. Step 4: Simplify right side
    1,389,086,705.58x = 1,445,386,892,622,434,048
  5. Step 5: Solve for x
    x = 1,445,386,892,622,434,048/1,389,086,705.58
  6. Step 6: Final answer
    x = 1,040,530,362.01

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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.