Home / 539,445,873-808,841,142.07-211,528,536.42

Finding the Fourth Proportional to 539,445,873, 808,841,142.07 and 211,528,536.42

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Solution

The fourth proportional to 539,445,873, 808,841,142.07 and 211,528,536.42 is: 317,164,319.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,445,873 : 808,841,142.07 = 211,528,536.42 : x
  2. Step 2: Convert to fraction form
    539,445,873/808,841,142.07 = 211,528,536.42/x
  3. Step 3: Cross multiply
    539,445,873x = 808,841,142.07 × 211,528,536.42
  4. Step 4: Simplify right side
    539,445,873x = 171,092,982,978,348,384
  5. Step 5: Solve for x
    x = 171,092,982,978,348,384/539,445,873
  6. Step 6: Final answer
    x = 317,164,319.06

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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.