Home / 744,292,481.60-1,116,438,722.40-307,447,979.60

Finding the Fourth Proportional to 744,292,481.60, 1,116,438,722.40 and 307,447,979.60

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Solution

The fourth proportional to 744,292,481.60, 1,116,438,722.40 and 307,447,979.60 is: 461,171,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,292,481.60 : 1,116,438,722.40 = 307,447,979.60 : x
  2. Step 2: Convert to fraction form
    744,292,481.60/1,116,438,722.40 = 307,447,979.60/x
  3. Step 3: Cross multiply
    744,292,481.60x = 1,116,438,722.40 × 307,447,979.60
  4. Step 4: Simplify right side
    744,292,481.60x = 343,246,829,549,085,312
  5. Step 5: Solve for x
    x = 343,246,829,549,085,312/744,292,481.60
  6. Step 6: Final answer
    x = 461,171,969.40

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Double scale
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Similar ratio
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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.