Home / 2,085,957,751.60-3,128,936,627.40-631,935,175.60

Finding the Fourth Proportional to 2,085,957,751.60, 3,128,936,627.40 and 631,935,175.60

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Solution

The fourth proportional to 2,085,957,751.60, 3,128,936,627.40 and 631,935,175.60 is: 947,902,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,957,751.60 : 3,128,936,627.40 = 631,935,175.60 : x
  2. Step 2: Convert to fraction form
    2,085,957,751.60/3,128,936,627.40 = 631,935,175.60/x
  3. Step 3: Cross multiply
    2,085,957,751.60x = 3,128,936,627.40 × 631,935,175.60
  4. Step 4: Simplify right side
    2,085,957,751.60x = 1,977,285,117,077,291,008
  5. Step 5: Solve for x
    x = 1,977,285,117,077,291,008/2,085,957,751.60
  6. Step 6: Final answer
    x = 947,902,763.40

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Double scale
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1.5x scale

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.