Home / 511,861,161.52-706,452,869.64-313,732,867.60

Finding the Fourth Proportional to 511,861,161.52, 706,452,869.64 and 313,732,867.60

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Solution

The fourth proportional to 511,861,161.52, 706,452,869.64 and 313,732,867.60 is: 433,003,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,861,161.52 : 706,452,869.64 = 313,732,867.60 : x
  2. Step 2: Convert to fraction form
    511,861,161.52/706,452,869.64 = 313,732,867.60/x
  3. Step 3: Cross multiply
    511,861,161.52x = 706,452,869.64 × 313,732,867.60
  4. Step 4: Simplify right side
    511,861,161.52x = 221,637,484,616,406,208
  5. Step 5: Solve for x
    x = 221,637,484,616,406,208/511,861,161.52
  6. Step 6: Final answer
    x = 433,003,129.13

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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.