Home / 1,939,862,407.80-2,909,793,611.70-957,759,439.80

Finding the Fourth Proportional to 1,939,862,407.80, 2,909,793,611.70 and 957,759,439.80

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Solution

The fourth proportional to 1,939,862,407.80, 2,909,793,611.70 and 957,759,439.80 is: 1,436,639,159.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,862,407.80 : 2,909,793,611.70 = 957,759,439.80 : x
  2. Step 2: Convert to fraction form
    1,939,862,407.80/2,909,793,611.70 = 957,759,439.80/x
  3. Step 3: Cross multiply
    1,939,862,407.80x = 2,909,793,611.70 × 957,759,439.80
  4. Step 4: Simplify right side
    1,939,862,407.80x = 2,786,882,299,475,410,432
  5. Step 5: Solve for x
    x = 2,786,882,299,475,410,432/1,939,862,407.80
  6. Step 6: Final answer
    x = 1,436,639,159.70

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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.