Home / 384,912,208.80-577,368,313.20-377,259,458.40

Finding the Fourth Proportional to 384,912,208.80, 577,368,313.20 and 377,259,458.40

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Solution

The fourth proportional to 384,912,208.80, 577,368,313.20 and 377,259,458.40 is: 565,889,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,208.80 : 577,368,313.20 = 377,259,458.40 : x
  2. Step 2: Convert to fraction form
    384,912,208.80/577,368,313.20 = 377,259,458.40/x
  3. Step 3: Cross multiply
    384,912,208.80x = 577,368,313.20 × 377,259,458.40
  4. Step 4: Simplify right side
    384,912,208.80x = 217,817,657,135,153,568
  5. Step 5: Solve for x
    x = 217,817,657,135,153,568/384,912,208.80
  6. Step 6: Final answer
    x = 565,889,187.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.