Home / 559,980,001.20-839,970,001.80-236,863,873.20

Finding the Fourth Proportional to 559,980,001.20, 839,970,001.80 and 236,863,873.20

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Solution

The fourth proportional to 559,980,001.20, 839,970,001.80 and 236,863,873.20 is: 355,295,809.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,980,001.20 : 839,970,001.80 = 236,863,873.20 : x
  2. Step 2: Convert to fraction form
    559,980,001.20/839,970,001.80 = 236,863,873.20/x
  3. Step 3: Cross multiply
    559,980,001.20x = 839,970,001.80 × 236,863,873.20
  4. Step 4: Simplify right side
    559,980,001.20x = 198,958,547,998,158,944
  5. Step 5: Solve for x
    x = 198,958,547,998,158,944/559,980,001.20
  6. Step 6: Final answer
    x = 355,295,809.80

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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.