Home / 508,829,640.16-763,366,232.40-163,815,518.56

Finding the Fourth Proportional to 508,829,640.16, 763,366,232.40 and 163,815,518.56

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Solution

The fourth proportional to 508,829,640.16, 763,366,232.40 and 163,815,518.56 is: 245,762,481.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,829,640.16 : 763,366,232.40 = 163,815,518.56 : x
  2. Step 2: Convert to fraction form
    508,829,640.16/763,366,232.40 = 163,815,518.56/x
  3. Step 3: Cross multiply
    508,829,640.16x = 763,366,232.40 × 163,815,518.56
  4. Step 4: Simplify right side
    508,829,640.16x = 125,051,235,211,799,472
  5. Step 5: Solve for x
    x = 125,051,235,211,799,472/508,829,640.16
  6. Step 6: Final answer
    x = 245,762,481.86

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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.