Home / 384,601,677.93-530,933,313.94-257,660,933.21

Finding the Fourth Proportional to 384,601,677.93, 530,933,313.94 and 257,660,933.21

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Solution

The fourth proportional to 384,601,677.93, 530,933,313.94 and 257,660,933.21 is: 355,694,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,601,677.93 : 530,933,313.94 = 257,660,933.21 : x
  2. Step 2: Convert to fraction form
    384,601,677.93/530,933,313.94 = 257,660,933.21/x
  3. Step 3: Cross multiply
    384,601,677.93x = 530,933,313.94 × 257,660,933.21
  4. Step 4: Simplify right side
    384,601,677.93x = 136,800,773,140,750,496
  5. Step 5: Solve for x
    x = 136,800,773,140,750,496/384,601,677.93
  6. Step 6: Final answer
    x = 355,694,686.19

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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.