Home / 5,177,817,172.16-7,772,252,666.88-2,231,550,802.88

Finding the Fourth Proportional to 5,177,817,172.16, 7,772,252,666.88 and 2,231,550,802.88

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Solution

The fourth proportional to 5,177,817,172.16, 7,772,252,666.88 and 2,231,550,802.88 is: 3,349,708,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,817,172.16 : 7,772,252,666.88 = 2,231,550,802.88 : x
  2. Step 2: Convert to fraction form
    5,177,817,172.16/7,772,252,666.88 = 2,231,550,802.88/x
  3. Step 3: Cross multiply
    5,177,817,172.16x = 7,772,252,666.88 × 2,231,550,802.88
  4. Step 4: Simplify right side
    5,177,817,172.16x = 17,344,176,678,962,286,592
  5. Step 5: Solve for x
    x = 17,344,176,678,962,286,592/5,177,817,172.16
  6. Step 6: Final answer
    x = 3,349,708,207.59

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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.