Home / 666,097,289.28-919,225,141.83-364,677,572.16

Finding the Fourth Proportional to 666,097,289.28, 919,225,141.83 and 364,677,572.16

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Solution

The fourth proportional to 666,097,289.28, 919,225,141.83 and 364,677,572.16 is: 503,261,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,097,289.28 : 919,225,141.83 = 364,677,572.16 : x
  2. Step 2: Convert to fraction form
    666,097,289.28/919,225,141.83 = 364,677,572.16/x
  3. Step 3: Cross multiply
    666,097,289.28x = 919,225,141.83 × 364,677,572.16
  4. Step 4: Simplify right side
    666,097,289.28x = 335,220,792,990,996,096
  5. Step 5: Solve for x
    x = 335,220,792,990,996,096/666,097,289.28
  6. Step 6: Final answer
    x = 503,261,007.64

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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.