Home / 775,743,093.96-1,070,548,077.58-423,341,783.42

Finding the Fourth Proportional to 775,743,093.96, 1,070,548,077.58 and 423,341,783.42

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Solution

The fourth proportional to 775,743,093.96, 1,070,548,077.58 and 423,341,783.42 is: 584,223,998.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,743,093.96 : 1,070,548,077.58 = 423,341,783.42 : x
  2. Step 2: Convert to fraction form
    775,743,093.96/1,070,548,077.58 = 423,341,783.42/x
  3. Step 3: Cross multiply
    775,743,093.96x = 1,070,548,077.58 × 423,341,783.42
  4. Step 4: Simplify right side
    775,743,093.96x = 453,207,732,399,569,728
  5. Step 5: Solve for x
    x = 453,207,732,399,569,728/775,743,093.96
  6. Step 6: Final answer
    x = 584,223,998.81

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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.