Home / 1,092,447,378.63-1,507,694,213.98-669,341,830.54

Finding the Fourth Proportional to 1,092,447,378.63, 1,507,694,213.98 and 669,341,830.54

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Solution

The fourth proportional to 1,092,447,378.63, 1,507,694,213.98 and 669,341,830.54 is: 923,763,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,447,378.63 : 1,507,694,213.98 = 669,341,830.54 : x
  2. Step 2: Convert to fraction form
    1,092,447,378.63/1,507,694,213.98 = 669,341,830.54/x
  3. Step 3: Cross multiply
    1,092,447,378.63x = 1,507,694,213.98 × 669,341,830.54
  4. Step 4: Simplify right side
    1,092,447,378.63x = 1,009,162,805,079,939,584
  5. Step 5: Solve for x
    x = 1,009,162,805,079,939,584/1,092,447,378.63
  6. Step 6: Final answer
    x = 923,763,308.71

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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.