Home / 1,071,212,398.04-1,478,139,247.14-594,837,998.61

Finding the Fourth Proportional to 1,071,212,398.04, 1,478,139,247.14 and 594,837,998.61

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Solution

The fourth proportional to 1,071,212,398.04, 1,478,139,247.14 and 594,837,998.61 is: 820,802,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,212,398.04 : 1,478,139,247.14 = 594,837,998.61 : x
  2. Step 2: Convert to fraction form
    1,071,212,398.04/1,478,139,247.14 = 594,837,998.61/x
  3. Step 3: Cross multiply
    1,071,212,398.04x = 1,478,139,247.14 × 594,837,998.61
  4. Step 4: Simplify right side
    1,071,212,398.04x = 879,253,391,435,649,792
  5. Step 5: Solve for x
    x = 879,253,391,435,649,792/1,071,212,398.04
  6. Step 6: Final answer
    x = 820,802,105.21

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Double scale
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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.