Home / 495,360,833.07-743,041,380.84-145,606,915.47

Finding the Fourth Proportional to 495,360,833.07, 743,041,380.84 and 145,606,915.47

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Solution

The fourth proportional to 495,360,833.07, 743,041,380.84 and 145,606,915.47 is: 218,410,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,360,833.07 : 743,041,380.84 = 145,606,915.47 : x
  2. Step 2: Convert to fraction form
    495,360,833.07/743,041,380.84 = 145,606,915.47/x
  3. Step 3: Cross multiply
    495,360,833.07x = 743,041,380.84 × 145,606,915.47
  4. Step 4: Simplify right side
    495,360,833.07x = 108,191,963,530,681,968
  5. Step 5: Solve for x
    x = 108,191,963,530,681,968/495,360,833.07
  6. Step 6: Final answer
    x = 218,410,411.78

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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.