Home / 1,398,387,627.60-2,097,581,441.40-881,401,822.80

Finding the Fourth Proportional to 1,398,387,627.60, 2,097,581,441.40 and 881,401,822.80

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Solution

The fourth proportional to 1,398,387,627.60, 2,097,581,441.40 and 881,401,822.80 is: 1,322,102,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,387,627.60 : 2,097,581,441.40 = 881,401,822.80 : x
  2. Step 2: Convert to fraction form
    1,398,387,627.60/2,097,581,441.40 = 881,401,822.80/x
  3. Step 3: Cross multiply
    1,398,387,627.60x = 2,097,581,441.40 × 881,401,822.80
  4. Step 4: Simplify right side
    1,398,387,627.60x = 1,848,812,105,921,411,328
  5. Step 5: Solve for x
    x = 1,848,812,105,921,411,328/1,398,387,627.60
  6. Step 6: Final answer
    x = 1,322,102,734.20

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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.