Home / 470,863,019.01-649,748,731.62-272,637,892.59

Finding the Fourth Proportional to 470,863,019.01, 649,748,731.62 and 272,637,892.59

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Solution

The fourth proportional to 470,863,019.01, 649,748,731.62 and 272,637,892.59 is: 376,215,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,863,019.01 : 649,748,731.62 = 272,637,892.59 : x
  2. Step 2: Convert to fraction form
    470,863,019.01/649,748,731.62 = 272,637,892.59/x
  3. Step 3: Cross multiply
    470,863,019.01x = 649,748,731.62 × 272,637,892.59
  4. Step 4: Simplify right side
    470,863,019.01x = 177,146,124,901,902,272
  5. Step 5: Solve for x
    x = 177,146,124,901,902,272/470,863,019.01
  6. Step 6: Final answer
    x = 376,215,837.20

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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.