Home / 536,699,686.10-805,049,529.15-407,705,177.30

Finding the Fourth Proportional to 536,699,686.10, 805,049,529.15 and 407,705,177.30

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Solution

The fourth proportional to 536,699,686.10, 805,049,529.15 and 407,705,177.30 is: 611,557,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,699,686.10 : 805,049,529.15 = 407,705,177.30 : x
  2. Step 2: Convert to fraction form
    536,699,686.10/805,049,529.15 = 407,705,177.30/x
  3. Step 3: Cross multiply
    536,699,686.10x = 805,049,529.15 × 407,705,177.30
  4. Step 4: Simplify right side
    536,699,686.10x = 328,222,861,017,382,272
  5. Step 5: Solve for x
    x = 328,222,861,017,382,272/536,699,686.10
  6. Step 6: Final answer
    x = 611,557,765.95

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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.