Home / 644,104,879.20-966,157,318.80-544,335,688.80

Finding the Fourth Proportional to 644,104,879.20, 966,157,318.80 and 544,335,688.80

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Solution

The fourth proportional to 644,104,879.20, 966,157,318.80 and 544,335,688.80 is: 816,503,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,104,879.20 : 966,157,318.80 = 544,335,688.80 : x
  2. Step 2: Convert to fraction form
    644,104,879.20/966,157,318.80 = 544,335,688.80/x
  3. Step 3: Cross multiply
    644,104,879.20x = 966,157,318.80 × 544,335,688.80
  4. Step 4: Simplify right side
    644,104,879.20x = 525,913,909,618,159,104
  5. Step 5: Solve for x
    x = 525,913,909,618,159,104/644,104,879.20
  6. Step 6: Final answer
    x = 816,503,533.20

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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.