Home / 495,152,003.80-742,728,005.70-265,569,491.80

Finding the Fourth Proportional to 495,152,003.80, 742,728,005.70 and 265,569,491.80

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Solution

The fourth proportional to 495,152,003.80, 742,728,005.70 and 265,569,491.80 is: 398,354,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,152,003.80 : 742,728,005.70 = 265,569,491.80 : x
  2. Step 2: Convert to fraction form
    495,152,003.80/742,728,005.70 = 265,569,491.80/x
  3. Step 3: Cross multiply
    495,152,003.80x = 742,728,005.70 × 265,569,491.80
  4. Step 4: Simplify right side
    495,152,003.80x = 197,245,899,019,376,512
  5. Step 5: Solve for x
    x = 197,245,899,019,376,512/495,152,003.80
  6. Step 6: Final answer
    x = 398,354,237.70

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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.