Home / 559,972,821.30-839,959,231.95-443,071,547.70

Finding the Fourth Proportional to 559,972,821.30, 839,959,231.95 and 443,071,547.70

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Solution

The fourth proportional to 559,972,821.30, 839,959,231.95 and 443,071,547.70 is: 664,607,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,972,821.30 : 839,959,231.95 = 443,071,547.70 : x
  2. Step 2: Convert to fraction form
    559,972,821.30/839,959,231.95 = 443,071,547.70/x
  3. Step 3: Cross multiply
    559,972,821.30x = 839,959,231.95 × 443,071,547.70
  4. Step 4: Simplify right side
    559,972,821.30x = 372,162,036,904,989,824
  5. Step 5: Solve for x
    x = 372,162,036,904,989,824/559,972,821.30
  6. Step 6: Final answer
    x = 664,607,321.55

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Double scale
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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.