Home / 1,437,901,936.20-2,156,852,904.30-921,341,284.20

Finding the Fourth Proportional to 1,437,901,936.20, 2,156,852,904.30 and 921,341,284.20

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Solution

The fourth proportional to 1,437,901,936.20, 2,156,852,904.30 and 921,341,284.20 is: 1,382,011,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,901,936.20 : 2,156,852,904.30 = 921,341,284.20 : x
  2. Step 2: Convert to fraction form
    1,437,901,936.20/2,156,852,904.30 = 921,341,284.20/x
  3. Step 3: Cross multiply
    1,437,901,936.20x = 2,156,852,904.30 × 921,341,284.20
  4. Step 4: Simplify right side
    1,437,901,936.20x = 1,987,197,624,678,262,016
  5. Step 5: Solve for x
    x = 1,987,197,624,678,262,016/1,437,901,936.20
  6. Step 6: Final answer
    x = 1,382,011,926.30

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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.