Home / 551,605,930.92-761,224,624.74-300,710,491.56

Finding the Fourth Proportional to 551,605,930.92, 761,224,624.74 and 300,710,491.56

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Solution

The fourth proportional to 551,605,930.92, 761,224,624.74 and 300,710,491.56 is: 414,985,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,605,930.92 : 761,224,624.74 = 300,710,491.56 : x
  2. Step 2: Convert to fraction form
    551,605,930.92/761,224,624.74 = 300,710,491.56/x
  3. Step 3: Cross multiply
    551,605,930.92x = 761,224,624.74 × 300,710,491.56
  4. Step 4: Simplify right side
    551,605,930.92x = 228,908,231,093,141,952
  5. Step 5: Solve for x
    x = 228,908,231,093,141,952/551,605,930.92
  6. Step 6: Final answer
    x = 414,985,079.50

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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.