Home / 551,931,618,685.20-827,201,020,683.30-279,724,262,649.70

Finding the Fourth Proportional to 551,931,618,685.20, 827,201,020,683.30 and 279,724,262,649.70

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Solution

The fourth proportional to 551,931,618,685.20, 827,201,020,683.30 and 279,724,262,649.70 is: 419,233,448,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,931,618,685.20 : 827,201,020,683.30 = 279,724,262,649.70 : x
  2. Step 2: Convert to fraction form
    551,931,618,685.20/827,201,020,683.30 = 279,724,262,649.70/x
  3. Step 3: Cross multiply
    551,931,618,685.20x = 827,201,020,683.30 × 279,724,262,649.70
  4. Step 4: Simplify right side
    551,931,618,685.20x = 231,388,195,573,715,370,508,288
  5. Step 5: Solve for x
    x = 231,388,195,573,715,370,508,288/551,931,618,685.20
  6. Step 6: Final answer
    x = 419,233,448,021.92

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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.