Home / 817,650,616.32-1,128,374,922.24-446,388,295.68

Finding the Fourth Proportional to 817,650,616.32, 1,128,374,922.24 and 446,388,295.68

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Solution

The fourth proportional to 817,650,616.32, 1,128,374,922.24 and 446,388,295.68 is: 616,025,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,650,616.32 : 1,128,374,922.24 = 446,388,295.68 : x
  2. Step 2: Convert to fraction form
    817,650,616.32/1,128,374,922.24 = 446,388,295.68/x
  3. Step 3: Cross multiply
    817,650,616.32x = 1,128,374,922.24 × 446,388,295.68
  4. Step 4: Simplify right side
    817,650,616.32x = 503,693,358,426,766,144
  5. Step 5: Solve for x
    x = 503,693,358,426,766,144/817,650,616.32
  6. Step 6: Final answer
    x = 616,025,168.17

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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.