Home / 3,931,953,701.52-5,426,114,602.05-2,147,831,906.52

Finding the Fourth Proportional to 3,931,953,701.52, 5,426,114,602.05 and 2,147,831,906.52

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Solution

The fourth proportional to 3,931,953,701.52, 5,426,114,602.05 and 2,147,831,906.52 is: 2,964,018,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,953,701.52 : 5,426,114,602.05 = 2,147,831,906.52 : x
  2. Step 2: Convert to fraction form
    3,931,953,701.52/5,426,114,602.05 = 2,147,831,906.52/x
  3. Step 3: Cross multiply
    3,931,953,701.52x = 5,426,114,602.05 × 2,147,831,906.52
  4. Step 4: Simplify right side
    3,931,953,701.52x = 11,654,382,070,717,063,168
  5. Step 5: Solve for x
    x = 11,654,382,070,717,063,168/3,931,953,701.52
  6. Step 6: Final answer
    x = 2,964,018,133.33

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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.