Home / 707,036,010.54-975,739,935.50-393,770,174.28

Finding the Fourth Proportional to 707,036,010.54, 975,739,935.50 and 393,770,174.28

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Solution

The fourth proportional to 707,036,010.54, 975,739,935.50 and 393,770,174.28 is: 543,419,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,036,010.54 : 975,739,935.50 = 393,770,174.28 : x
  2. Step 2: Convert to fraction form
    707,036,010.54/975,739,935.50 = 393,770,174.28/x
  3. Step 3: Cross multiply
    707,036,010.54x = 975,739,935.50 × 393,770,174.28
  4. Step 4: Simplify right side
    707,036,010.54x = 384,217,284,447,927,808
  5. Step 5: Solve for x
    x = 384,217,284,447,927,808/707,036,010.54
  6. Step 6: Final answer
    x = 543,419,682.62

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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.