Home / 384,006,144.54-529,929,400.64-207,796,030.74

Finding the Fourth Proportional to 384,006,144.54, 529,929,400.64 and 207,796,030.74

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Solution

The fourth proportional to 384,006,144.54, 529,929,400.64 and 207,796,030.74 is: 286,759,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,006,144.54 : 529,929,400.64 = 207,796,030.74 : x
  2. Step 2: Convert to fraction form
    384,006,144.54/529,929,400.64 = 207,796,030.74/x
  3. Step 3: Cross multiply
    384,006,144.54x = 529,929,400.64 × 207,796,030.74
  4. Step 4: Simplify right side
    384,006,144.54x = 110,117,226,025,419,216
  5. Step 5: Solve for x
    x = 110,117,226,025,419,216/384,006,144.54
  6. Step 6: Final answer
    x = 286,759,020.89

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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.