Home / 848,072,118.87-1,272,124,120.16-265,793,472.81

Finding the Fourth Proportional to 848,072,118.87, 1,272,124,120.16 and 265,793,472.81

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Solution

The fourth proportional to 848,072,118.87, 1,272,124,120.16 and 265,793,472.81 is: 398,695,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,072,118.87 : 1,272,124,120.16 = 265,793,472.81 : x
  2. Step 2: Convert to fraction form
    848,072,118.87/1,272,124,120.16 = 265,793,472.81/x
  3. Step 3: Cross multiply
    848,072,118.87x = 1,272,124,120.16 × 265,793,472.81
  4. Step 4: Simplify right side
    848,072,118.87x = 338,122,287,736,331,520
  5. Step 5: Solve for x
    x = 338,122,287,736,331,520/848,072,118.87
  6. Step 6: Final answer
    x = 398,695,205.53

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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.