Home / 1,419,357,698.10-2,129,111,736.20-437,458,645.98

Finding the Fourth Proportional to 1,419,357,698.10, 2,129,111,736.20 and 437,458,645.98

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Solution

The fourth proportional to 1,419,357,698.10, 2,129,111,736.20 and 437,458,645.98 is: 656,211,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,357,698.10 : 2,129,111,736.20 = 437,458,645.98 : x
  2. Step 2: Convert to fraction form
    1,419,357,698.10/2,129,111,736.20 = 437,458,645.98/x
  3. Step 3: Cross multiply
    1,419,357,698.10x = 2,129,111,736.20 × 437,458,645.98
  4. Step 4: Simplify right side
    1,419,357,698.10x = 931,398,337,258,179,072
  5. Step 5: Solve for x
    x = 931,398,337,258,179,072/1,419,357,698.10
  6. Step 6: Final answer
    x = 656,211,142.90

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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.