Home / 384,028,333.54-529,959,100.95-207,816,328.79

Finding the Fourth Proportional to 384,028,333.54, 529,959,100.95 and 207,816,328.79

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Solution

The fourth proportional to 384,028,333.54, 529,959,100.95 and 207,816,328.79 is: 286,786,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,028,333.54 : 529,959,100.95 = 207,816,328.79 : x
  2. Step 2: Convert to fraction form
    384,028,333.54/529,959,100.95 = 207,816,328.79/x
  3. Step 3: Cross multiply
    384,028,333.54x = 529,959,100.95 × 207,816,328.79
  4. Step 4: Simplify right side
    384,028,333.54x = 110,134,154,767,615,552
  5. Step 5: Solve for x
    x = 110,134,154,767,615,552/384,028,333.54
  6. Step 6: Final answer
    x = 286,786,534.09

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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.