Home / 962,361,105.18-1,328,022,801.27-522,318,509.34

Finding the Fourth Proportional to 962,361,105.18, 1,328,022,801.27 and 522,318,509.34

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Solution

The fourth proportional to 962,361,105.18, 1,328,022,801.27 and 522,318,509.34 is: 720,780,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,361,105.18 : 1,328,022,801.27 = 522,318,509.34 : x
  2. Step 2: Convert to fraction form
    962,361,105.18/1,328,022,801.27 = 522,318,509.34/x
  3. Step 3: Cross multiply
    962,361,105.18x = 1,328,022,801.27 × 522,318,509.34
  4. Step 4: Simplify right side
    962,361,105.18x = 693,650,889,928,877,440
  5. Step 5: Solve for x
    x = 693,650,889,928,877,440/962,361,105.18
  6. Step 6: Final answer
    x = 720,780,262.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.