Home / 618,932,443,639.80-928,822,744,935-216,015,913,856.18

Finding the Fourth Proportional to 618,932,443,639.80, 928,822,744,935 and 216,015,913,856.18

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Solution

The fourth proportional to 618,932,443,639.80, 928,822,744,935 and 216,015,913,856.18 is: 324,171,880,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,932,443,639.80 : 928,822,744,935 = 216,015,913,856.18 : x
  2. Step 2: Convert to fraction form
    618,932,443,639.80/928,822,744,935 = 216,015,913,856.18/x
  3. Step 3: Cross multiply
    618,932,443,639.80x = 928,822,744,935 × 216,015,913,856.18
  4. Step 4: Simplify right side
    618,932,443,639.80x = 200,640,494,057,539,609,034,752
  5. Step 5: Solve for x
    x = 200,640,494,057,539,609,034,752/618,932,443,639.80
  6. Step 6: Final answer
    x = 324,171,880,339.02

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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.