Home / 815,897,360,495.55-1,223,386,810,420.60-271,054,170,781.14

Finding the Fourth Proportional to 815,897,360,495.55, 1,223,386,810,420.60 and 271,054,170,781.14

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Solution

The fourth proportional to 815,897,360,495.55, 1,223,386,810,420.60 and 271,054,170,781.14 is: 406,428,692,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,897,360,495.55 : 1,223,386,810,420.60 = 271,054,170,781.14 : x
  2. Step 2: Convert to fraction form
    815,897,360,495.55/1,223,386,810,420.60 = 271,054,170,781.14/x
  3. Step 3: Cross multiply
    815,897,360,495.55x = 1,223,386,810,420.60 × 271,054,170,781.14
  4. Step 4: Simplify right side
    815,897,360,495.55x = 331,604,097,443,139,491,463,168
  5. Step 5: Solve for x
    x = 331,604,097,443,139,491,463,168/815,897,360,495.55
  6. Step 6: Final answer
    x = 406,428,692,503.35

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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.