Home / 515,711,323.64-773,835,724.02-228,429,803

Finding the Fourth Proportional to 515,711,323.64, 773,835,724.02 and 228,429,803

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Solution

The fourth proportional to 515,711,323.64, 773,835,724.02 and 228,429,803 is: 342,763,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,711,323.64 : 773,835,724.02 = 228,429,803 : x
  2. Step 2: Convert to fraction form
    515,711,323.64/773,835,724.02 = 228,429,803/x
  3. Step 3: Cross multiply
    515,711,323.64x = 773,835,724.02 × 228,429,803
  4. Step 4: Simplify right side
    515,711,323.64x = 176,767,141,992,250,976
  5. Step 5: Solve for x
    x = 176,767,141,992,250,976/515,711,323.64
  6. Step 6: Final answer
    x = 342,763,739.89

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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.