Home / 1,340,713,065.40-2,011,359,060.54-408,108,840.22

Finding the Fourth Proportional to 1,340,713,065.40, 2,011,359,060.54 and 408,108,840.22

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Solution

The fourth proportional to 1,340,713,065.40, 2,011,359,060.54 and 408,108,840.22 is: 612,251,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,713,065.40 : 2,011,359,060.54 = 408,108,840.22 : x
  2. Step 2: Convert to fraction form
    1,340,713,065.40/2,011,359,060.54 = 408,108,840.22/x
  3. Step 3: Cross multiply
    1,340,713,065.40x = 2,011,359,060.54 × 408,108,840.22
  4. Step 4: Simplify right side
    1,340,713,065.40x = 820,853,413,462,968,192
  5. Step 5: Solve for x
    x = 820,853,413,462,968,192/1,340,713,065.40
  6. Step 6: Final answer
    x = 612,251,371.79

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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.