Home / 347,760,779.70-521,641,169.55-186,517,643.70

Finding the Fourth Proportional to 347,760,779.70, 521,641,169.55 and 186,517,643.70

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Solution

The fourth proportional to 347,760,779.70, 521,641,169.55 and 186,517,643.70 is: 279,776,465.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,760,779.70 : 521,641,169.55 = 186,517,643.70 : x
  2. Step 2: Convert to fraction form
    347,760,779.70/521,641,169.55 = 186,517,643.70/x
  3. Step 3: Cross multiply
    347,760,779.70x = 521,641,169.55 × 186,517,643.70
  4. Step 4: Simplify right side
    347,760,779.70x = 97,295,281,801,378,192
  5. Step 5: Solve for x
    x = 97,295,281,801,378,192/347,760,779.70
  6. Step 6: Final answer
    x = 279,776,465.55

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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.