Home / 12,697,145,585.71-19,053,145,139.81-4,734,814,621.23

Finding the Fourth Proportional to 12,697,145,585.71, 19,053,145,139.81 and 4,734,814,621.23

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Solution

The fourth proportional to 12,697,145,585.71, 19,053,145,139.81 and 4,734,814,621.23 is: 7,104,991,399.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697,145,585.71 : 19,053,145,139.81 = 4,734,814,621.23 : x
  2. Step 2: Convert to fraction form
    12,697,145,585.71/19,053,145,139.81 = 4,734,814,621.23/x
  3. Step 3: Cross multiply
    12,697,145,585.71x = 19,053,145,139.81 × 4,734,814,621.23
  4. Step 4: Simplify right side
    12,697,145,585.71x = 90,213,110,188,366,020,608
  5. Step 5: Solve for x
    x = 90,213,110,188,366,020,608/12,697,145,585.71
  6. Step 6: Final answer
    x = 7,104,991,399.79

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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.