Home / 866,035,627.37-1,195,144,668.10-469,571,980.85

Finding the Fourth Proportional to 866,035,627.37, 1,195,144,668.10 and 469,571,980.85

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Solution

The fourth proportional to 866,035,627.37, 1,195,144,668.10 and 469,571,980.85 is: 648,017,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,035,627.37 : 1,195,144,668.10 = 469,571,980.85 : x
  2. Step 2: Convert to fraction form
    866,035,627.37/1,195,144,668.10 = 469,571,980.85/x
  3. Step 3: Cross multiply
    866,035,627.37x = 1,195,144,668.10 × 469,571,980.85
  4. Step 4: Simplify right side
    866,035,627.37x = 561,206,449,205,264,128
  5. Step 5: Solve for x
    x = 561,206,449,205,264,128/866,035,627.37
  6. Step 6: Final answer
    x = 648,017,739.07

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Double scale
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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.