Home / 905,910,157.52-1,358,851,583.48-407,568,742.32

Finding the Fourth Proportional to 905,910,157.52, 1,358,851,583.48 and 407,568,742.32

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Solution

The fourth proportional to 905,910,157.52, 1,358,851,583.48 and 407,568,742.32 is: 611,346,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,910,157.52 : 1,358,851,583.48 = 407,568,742.32 : x
  2. Step 2: Convert to fraction form
    905,910,157.52/1,358,851,583.48 = 407,568,742.32/x
  3. Step 3: Cross multiply
    905,910,157.52x = 1,358,851,583.48 × 407,568,742.32
  4. Step 4: Simplify right side
    905,910,157.52x = 553,825,430,873,877,952
  5. Step 5: Solve for x
    x = 553,825,430,873,877,952/905,910,157.52
  6. Step 6: Final answer
    x = 611,346,971.08

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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.