Home / 666,097,282.72-919,225,132.80-364,677,565.68

Finding the Fourth Proportional to 666,097,282.72, 919,225,132.80 and 364,677,565.68

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Solution

The fourth proportional to 666,097,282.72, 919,225,132.80 and 364,677,565.68 is: 503,260,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,097,282.72 : 919,225,132.80 = 364,677,565.68 : x
  2. Step 2: Convert to fraction form
    666,097,282.72/919,225,132.80 = 364,677,565.68/x
  3. Step 3: Cross multiply
    666,097,282.72x = 919,225,132.80 × 364,677,565.68
  4. Step 4: Simplify right side
    666,097,282.72x = 335,220,783,741,378,688
  5. Step 5: Solve for x
    x = 335,220,783,741,378,688/666,097,282.72
  6. Step 6: Final answer
    x = 503,260,998.71

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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.