Home / 405,692,115.38-608,643,091.67-237,572,866.86

Finding the Fourth Proportional to 405,692,115.38, 608,643,091.67 and 237,572,866.86

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Solution

The fourth proportional to 405,692,115.38, 608,643,091.67 and 237,572,866.86 is: 356,420,740.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,692,115.38 : 608,643,091.67 = 237,572,866.86 : x
  2. Step 2: Convert to fraction form
    405,692,115.38/608,643,091.67 = 237,572,866.86/x
  3. Step 3: Cross multiply
    405,692,115.38x = 608,643,091.67 × 237,572,866.86
  4. Step 4: Simplify right side
    405,692,115.38x = 144,597,084,179,770,592
  5. Step 5: Solve for x
    x = 144,597,084,179,770,592/405,692,115.38
  6. Step 6: Final answer
    x = 356,420,740.50

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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.