Home / 815,401,801.20-1,144,787,384.40-815,401,801.20

Finding the Fourth Proportional to 815,401,801.20, 1,144,787,384.40 and 815,401,801.20

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Solution

The fourth proportional to 815,401,801.20, 1,144,787,384.40 and 815,401,801.20 is: 1,144,787,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,401,801.20 : 1,144,787,384.40 = 815,401,801.20 : x
  2. Step 2: Convert to fraction form
    815,401,801.20/1,144,787,384.40 = 815,401,801.20/x
  3. Step 3: Cross multiply
    815,401,801.20x = 1,144,787,384.40 × 815,401,801.20
  4. Step 4: Simplify right side
    815,401,801.20x = 933,461,695,230,796,928
  5. Step 5: Solve for x
    x = 933,461,695,230,796,928/815,401,801.20
  6. Step 6: Final answer
    x = 1,144,787,384.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.