Home / 648,058,505.58-971,694,109.14-254,113,378.92

Finding the Fourth Proportional to 648,058,505.58, 971,694,109.14 and 254,113,378.92

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Solution

The fourth proportional to 648,058,505.58, 971,694,109.14 and 254,113,378.92 is: 381,015,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,058,505.58 : 971,694,109.14 = 254,113,378.92 : x
  2. Step 2: Convert to fraction form
    648,058,505.58/971,694,109.14 = 254,113,378.92/x
  3. Step 3: Cross multiply
    648,058,505.58x = 971,694,109.14 × 254,113,378.92
  4. Step 4: Simplify right side
    648,058,505.58x = 246,920,473,350,224,640
  5. Step 5: Solve for x
    x = 246,920,473,350,224,640/648,058,505.58
  6. Step 6: Final answer
    x = 381,015,712.66

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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.