Home / 384,028,335.05-529,959,103.02-207,816,330.29

Finding the Fourth Proportional to 384,028,335.05, 529,959,103.02 and 207,816,330.29

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Solution

The fourth proportional to 384,028,335.05, 529,959,103.02 and 207,816,330.29 is: 286,786,536.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,028,335.05 : 529,959,103.02 = 207,816,330.29 : x
  2. Step 2: Convert to fraction form
    384,028,335.05/529,959,103.02 = 207,816,330.29/x
  3. Step 3: Cross multiply
    384,028,335.05x = 529,959,103.02 × 207,816,330.29
  4. Step 4: Simplify right side
    384,028,335.05x = 110,134,155,990,746,656
  5. Step 5: Solve for x
    x = 110,134,155,990,746,656/384,028,335.05
  6. Step 6: Final answer
    x = 286,786,536.15

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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.