Home / 3,551,605,935.72-4,900,884,128.10-2,122,393,421.58

Finding the Fourth Proportional to 3,551,605,935.72, 4,900,884,128.10 and 2,122,393,421.58

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Solution

The fourth proportional to 3,551,605,935.72, 4,900,884,128.10 and 2,122,393,421.58 is: 2,928,704,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,605,935.72 : 4,900,884,128.10 = 2,122,393,421.58 : x
  2. Step 2: Convert to fraction form
    3,551,605,935.72/4,900,884,128.10 = 2,122,393,421.58/x
  3. Step 3: Cross multiply
    3,551,605,935.72x = 4,900,884,128.10 × 2,122,393,421.58
  4. Step 4: Simplify right side
    3,551,605,935.72x = 10,401,604,233,405,274,112
  5. Step 5: Solve for x
    x = 10,401,604,233,405,274,112/3,551,605,935.72
  6. Step 6: Final answer
    x = 2,928,704,485.14

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1.5x scale

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.