Home / 516,916,667.04-775,381,751.28-171,870,289.44

Finding the Fourth Proportional to 516,916,667.04, 775,381,751.28 and 171,870,289.44

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Solution

The fourth proportional to 516,916,667.04, 775,381,751.28 and 171,870,289.44 is: 257,807,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,916,667.04 : 775,381,751.28 = 171,870,289.44 : x
  2. Step 2: Convert to fraction form
    516,916,667.04/775,381,751.28 = 171,870,289.44/x
  3. Step 3: Cross multiply
    516,916,667.04x = 775,381,751.28 × 171,870,289.44
  4. Step 4: Simplify right side
    516,916,667.04x = 133,265,086,018,987,680
  5. Step 5: Solve for x
    x = 133,265,086,018,987,680/516,916,667.04
  6. Step 6: Final answer
    x = 257,807,678.72

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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.