Home / 884,681,066-1,220,860,396.32-493,540,490

Finding the Fourth Proportional to 884,681,066, 1,220,860,396.32 and 493,540,490

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Solution

The fourth proportional to 884,681,066, 1,220,860,396.32 and 493,540,490 is: 681,086,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,681,066 : 1,220,860,396.32 = 493,540,490 : x
  2. Step 2: Convert to fraction form
    884,681,066/1,220,860,396.32 = 493,540,490/x
  3. Step 3: Cross multiply
    884,681,066x = 1,220,860,396.32 × 493,540,490
  4. Step 4: Simplify right side
    884,681,066x = 602,544,038,221,366,912
  5. Step 5: Solve for x
    x = 602,544,038,221,366,912/884,681,066
  6. Step 6: Final answer
    x = 681,086,169.22

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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.