Home / 916,334,525.88-1,265,174,296.73-857,790,985.32

Finding the Fourth Proportional to 916,334,525.88, 1,265,174,296.73 and 857,790,985.32

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Solution

The fourth proportional to 916,334,525.88, 1,265,174,296.73 and 857,790,985.32 is: 1,184,343,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,334,525.88 : 1,265,174,296.73 = 857,790,985.32 : x
  2. Step 2: Convert to fraction form
    916,334,525.88/1,265,174,296.73 = 857,790,985.32/x
  3. Step 3: Cross multiply
    916,334,525.88x = 1,265,174,296.73 × 857,790,985.32
  4. Step 4: Simplify right side
    916,334,525.88x = 1,085,255,106,589,275,776
  5. Step 5: Solve for x
    x = 1,085,255,106,589,275,776/916,334,525.88
  6. Step 6: Final answer
    x = 1,184,343,791.42

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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.