Home / 909,786,283.08-1,364,683,422.57-288,004,569.42

Finding the Fourth Proportional to 909,786,283.08, 1,364,683,422.57 and 288,004,569.42

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Solution

The fourth proportional to 909,786,283.08, 1,364,683,422.57 and 288,004,569.42 is: 432,008,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,786,283.08 : 1,364,683,422.57 = 288,004,569.42 : x
  2. Step 2: Convert to fraction form
    909,786,283.08/1,364,683,422.57 = 288,004,569.42/x
  3. Step 3: Cross multiply
    909,786,283.08x = 1,364,683,422.57 × 288,004,569.42
  4. Step 4: Simplify right side
    909,786,283.08x = 393,035,061,511,884,736
  5. Step 5: Solve for x
    x = 393,035,061,511,884,736/909,786,283.08
  6. Step 6: Final answer
    x = 432,008,119.73

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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.