Home / 1,256,635,085.78-1,884,321,985.35-732,173,677.58

Finding the Fourth Proportional to 1,256,635,085.78, 1,884,321,985.35 and 732,173,677.58

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Solution

The fourth proportional to 1,256,635,085.78, 1,884,321,985.35 and 732,173,677.58 is: 1,097,893,074.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,635,085.78 : 1,884,321,985.35 = 732,173,677.58 : x
  2. Step 2: Convert to fraction form
    1,256,635,085.78/1,884,321,985.35 = 732,173,677.58/x
  3. Step 3: Cross multiply
    1,256,635,085.78x = 1,884,321,985.35 × 732,173,677.58
  4. Step 4: Simplify right side
    1,256,635,085.78x = 1,379,650,957,758,556,416
  5. Step 5: Solve for x
    x = 1,379,650,957,758,556,416/1,256,635,085.78
  6. Step 6: Final answer
    x = 1,097,893,074.43

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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.