Home / 504,952,947.80-756,153,963.30-331,490,605.40

Finding the Fourth Proportional to 504,952,947.80, 756,153,963.30 and 331,490,605.40

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Solution

The fourth proportional to 504,952,947.80, 756,153,963.30 and 331,490,605.40 is: 496,398,597.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,952,947.80 : 756,153,963.30 = 331,490,605.40 : x
  2. Step 2: Convert to fraction form
    504,952,947.80/756,153,963.30 = 331,490,605.40/x
  3. Step 3: Cross multiply
    504,952,947.80x = 756,153,963.30 × 331,490,605.40
  4. Step 4: Simplify right side
    504,952,947.80x = 250,657,935,069,926,336
  5. Step 5: Solve for x
    x = 250,657,935,069,926,336/504,952,947.80
  6. Step 6: Final answer
    x = 496,398,597.46

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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.