Home / 1,370,888,147.50-1,891,825,643.55-784,177,283.50

Finding the Fourth Proportional to 1,370,888,147.50, 1,891,825,643.55 and 784,177,283.50

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Solution

The fourth proportional to 1,370,888,147.50, 1,891,825,643.55 and 784,177,283.50 is: 1,082,164,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,888,147.50 : 1,891,825,643.55 = 784,177,283.50 : x
  2. Step 2: Convert to fraction form
    1,370,888,147.50/1,891,825,643.55 = 784,177,283.50/x
  3. Step 3: Cross multiply
    1,370,888,147.50x = 1,891,825,643.55 × 784,177,283.50
  4. Step 4: Simplify right side
    1,370,888,147.50x = 1,483,526,694,014,678,272
  5. Step 5: Solve for x
    x = 1,483,526,694,014,678,272/1,370,888,147.50
  6. Step 6: Final answer
    x = 1,082,164,651.23

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1.5x scale

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.