Home / 682,037,781.54-940,997,281.77-417,443,933.22

Finding the Fourth Proportional to 682,037,781.54, 940,997,281.77 and 417,443,933.22

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Solution

The fourth proportional to 682,037,781.54, 940,997,281.77 and 417,443,933.22 is: 575,941,123.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,037,781.54 : 940,997,281.77 = 417,443,933.22 : x
  2. Step 2: Convert to fraction form
    682,037,781.54/940,997,281.77 = 417,443,933.22/x
  3. Step 3: Cross multiply
    682,037,781.54x = 940,997,281.77 × 417,443,933.22
  4. Step 4: Simplify right side
    682,037,781.54x = 392,813,606,451,397,440
  5. Step 5: Solve for x
    x = 392,813,606,451,397,440/682,037,781.54
  6. Step 6: Final answer
    x = 575,941,123.91

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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.