Home / 495,362,912.40-743,041,416.15-126,897,152.40

Finding the Fourth Proportional to 495,362,912.40, 743,041,416.15 and 126,897,152.40

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Solution

The fourth proportional to 495,362,912.40, 743,041,416.15 and 126,897,152.40 is: 190,344,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,362,912.40 : 743,041,416.15 = 126,897,152.40 : x
  2. Step 2: Convert to fraction form
    495,362,912.40/743,041,416.15 = 126,897,152.40/x
  3. Step 3: Cross multiply
    495,362,912.40x = 743,041,416.15 × 126,897,152.40
  4. Step 4: Simplify right side
    495,362,912.40x = 94,289,839,824,698,368
  5. Step 5: Solve for x
    x = 94,289,839,824,698,368/495,362,912.40
  6. Step 6: Final answer
    x = 190,344,972.27

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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.