Home / 708,135,047.11-977,229,403.14-386,270,028.31

Finding the Fourth Proportional to 708,135,047.11, 977,229,403.14 and 386,270,028.31

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Solution

The fourth proportional to 708,135,047.11, 977,229,403.14 and 386,270,028.31 is: 533,054,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,135,047.11 : 977,229,403.14 = 386,270,028.31 : x
  2. Step 2: Convert to fraction form
    708,135,047.11/977,229,403.14 = 386,270,028.31/x
  3. Step 3: Cross multiply
    708,135,047.11x = 977,229,403.14 × 386,270,028.31
  4. Step 4: Simplify right side
    708,135,047.11x = 377,474,429,216,252,224
  5. Step 5: Solve for x
    x = 377,474,429,216,252,224/708,135,047.11
  6. Step 6: Final answer
    x = 533,054,296.29

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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.