Home / 274,636,637.76-378,998,713.18-150,885,286.50

Finding the Fourth Proportional to 274,636,637.76, 378,998,713.18 and 150,885,286.50

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Solution

The fourth proportional to 274,636,637.76, 378,998,713.18 and 150,885,286.50 is: 208,221,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,636,637.76 : 378,998,713.18 = 150,885,286.50 : x
  2. Step 2: Convert to fraction form
    274,636,637.76/378,998,713.18 = 150,885,286.50/x
  3. Step 3: Cross multiply
    274,636,637.76x = 378,998,713.18 × 150,885,286.50
  4. Step 4: Simplify right side
    274,636,637.76x = 57,185,329,421,295,624
  5. Step 5: Solve for x
    x = 57,185,329,421,295,624/274,636,637.76
  6. Step 6: Final answer
    x = 208,221,779.47

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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.