Home / 517,456,216.40-776,196,766.20-153,962,430.80

Finding the Fourth Proportional to 517,456,216.40, 776,196,766.20 and 153,962,430.80

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Solution

The fourth proportional to 517,456,216.40, 776,196,766.20 and 153,962,430.80 is: 230,947,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,456,216.40 : 776,196,766.20 = 153,962,430.80 : x
  2. Step 2: Convert to fraction form
    517,456,216.40/776,196,766.20 = 153,962,430.80/x
  3. Step 3: Cross multiply
    517,456,216.40x = 776,196,766.20 × 153,962,430.80
  4. Step 4: Simplify right side
    517,456,216.40x = 119,505,140,903,251,296
  5. Step 5: Solve for x
    x = 119,505,140,903,251,296/517,456,216.40
  6. Step 6: Final answer
    x = 230,947,348.04

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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.