Home / 1,051,922,458.60-1,577,883,687.90-477,493,786.60

Finding the Fourth Proportional to 1,051,922,458.60, 1,577,883,687.90 and 477,493,786.60

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Solution

The fourth proportional to 1,051,922,458.60, 1,577,883,687.90 and 477,493,786.60 is: 716,240,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,922,458.60 : 1,577,883,687.90 = 477,493,786.60 : x
  2. Step 2: Convert to fraction form
    1,051,922,458.60/1,577,883,687.90 = 477,493,786.60/x
  3. Step 3: Cross multiply
    1,051,922,458.60x = 1,577,883,687.90 × 477,493,786.60
  4. Step 4: Simplify right side
    1,051,922,458.60x = 753,429,656,949,743,744
  5. Step 5: Solve for x
    x = 753,429,656,949,743,744/1,051,922,458.60
  6. Step 6: Final answer
    x = 716,240,679.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.