Home / 684,047,355,549.20-943,922,956,493.08-405,901,983,441.55

Finding the Fourth Proportional to 684,047,355,549.20, 943,922,956,493.08 and 405,901,983,441.55

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Solution

The fourth proportional to 684,047,355,549.20, 943,922,956,493.08 and 405,901,983,441.55 is: 560,107,713,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,047,355,549.20 : 943,922,956,493.08 = 405,901,983,441.55 : x
  2. Step 2: Convert to fraction form
    684,047,355,549.20/943,922,956,493.08 = 405,901,983,441.55/x
  3. Step 3: Cross multiply
    684,047,355,549.20x = 943,922,956,493.08 × 405,901,983,441.55
  4. Step 4: Simplify right side
    684,047,355,549.20x = 383,140,200,256,553,040,740,352
  5. Step 5: Solve for x
    x = 383,140,200,256,553,040,740,352/684,047,355,549.20
  6. Step 6: Final answer
    x = 560,107,713,520.71

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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.