Home / 701,612,864,990.31-968,200,697,495.30-397,111,982,675.07

Finding the Fourth Proportional to 701,612,864,990.31, 968,200,697,495.30 and 397,111,982,675.07

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Solution

The fourth proportional to 701,612,864,990.31, 968,200,697,495.30 and 397,111,982,675.07 is: 548,000,354,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,612,864,990.31 : 968,200,697,495.30 = 397,111,982,675.07 : x
  2. Step 2: Convert to fraction form
    701,612,864,990.31/968,200,697,495.30 = 397,111,982,675.07/x
  3. Step 3: Cross multiply
    701,612,864,990.31x = 968,200,697,495.30 × 397,111,982,675.07
  4. Step 4: Simplify right side
    701,612,864,990.31x = 384,484,098,609,744,275,570,688
  5. Step 5: Solve for x
    x = 384,484,098,609,744,275,570,688/701,612,864,990.31
  6. Step 6: Final answer
    x = 548,000,354,319.41

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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.