Home / 263,311,391,571.36-363,363,539,746.68-154,931,508,729.60

Finding the Fourth Proportional to 263,311,391,571.36, 363,363,539,746.68 and 154,931,508,729.60

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Solution

The fourth proportional to 263,311,391,571.36, 363,363,539,746.68 and 154,931,508,729.60 is: 213,801,845,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,311,391,571.36 : 363,363,539,746.68 = 154,931,508,729.60 : x
  2. Step 2: Convert to fraction form
    263,311,391,571.36/363,363,539,746.68 = 154,931,508,729.60/x
  3. Step 3: Cross multiply
    263,311,391,571.36x = 363,363,539,746.68 × 154,931,508,729.60
  4. Step 4: Simplify right side
    263,311,391,571.36x = 56,296,461,430,281,113,436,160
  5. Step 5: Solve for x
    x = 56,296,461,430,281,113,436,160/263,311,391,571.36
  6. Step 6: Final answer
    x = 213,801,845,390.44

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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.