Home / 1,444,931,939.92-1,994,004,527.88-784,882,711.12

Finding the Fourth Proportional to 1,444,931,939.92, 1,994,004,527.88 and 784,882,711.12

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Solution

The fourth proportional to 1,444,931,939.92, 1,994,004,527.88 and 784,882,711.12 is: 1,083,137,299.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,931,939.92 : 1,994,004,527.88 = 784,882,711.12 : x
  2. Step 2: Convert to fraction form
    1,444,931,939.92/1,994,004,527.88 = 784,882,711.12/x
  3. Step 3: Cross multiply
    1,444,931,939.92x = 1,994,004,527.88 × 784,882,711.12
  4. Step 4: Simplify right side
    1,444,931,939.92x = 1,565,059,679,828,010,240
  5. Step 5: Solve for x
    x = 1,565,059,679,828,010,240/1,444,931,939.92
  6. Step 6: Final answer
    x = 1,083,137,299.82

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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.