Home / 1,267,824,386,117.90-1,749,501,635,233.20-711,522,072,998.05

Finding the Fourth Proportional to 1,267,824,386,117.90, 1,749,501,635,233.20 and 711,522,072,998.05

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Solution

The fourth proportional to 1,267,824,386,117.90, 1,749,501,635,233.20 and 711,522,072,998.05 is: 981,846,574,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,824,386,117.90 : 1,749,501,635,233.20 = 711,522,072,998.05 : x
  2. Step 2: Convert to fraction form
    1,267,824,386,117.90/1,749,501,635,233.20 = 711,522,072,998.05/x
  3. Step 3: Cross multiply
    1,267,824,386,117.90x = 1,749,501,635,233.20 × 711,522,072,998.05
  4. Step 4: Simplify right side
    1,267,824,386,117.90x = 1,244,809,030,214,604,822,675,456
  5. Step 5: Solve for x
    x = 1,244,809,030,214,604,822,675,456/1,267,824,386,117.90
  6. Step 6: Final answer
    x = 981,846,574,213.82

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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.