Home / 18,647,155,551.65-27,970,955,289.72-5,200,621,328.98

Finding the Fourth Proportional to 18,647,155,551.65, 27,970,955,289.72 and 5,200,621,328.98

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Solution

The fourth proportional to 18,647,155,551.65, 27,970,955,289.72 and 5,200,621,328.98 is: 7,800,993,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647,155,551.65 : 27,970,955,289.72 = 5,200,621,328.98 : x
  2. Step 2: Convert to fraction form
    18,647,155,551.65/27,970,955,289.72 = 5,200,621,328.98/x
  3. Step 3: Cross multiply
    18,647,155,551.65x = 27,970,955,289.72 × 5,200,621,328.98
  4. Step 4: Simplify right side
    18,647,155,551.65x = 145,466,346,671,663,775,744
  5. Step 5: Solve for x
    x = 145,466,346,671,663,775,744/18,647,155,551.65
  6. Step 6: Final answer
    x = 7,800,993,897.90

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1.5x scale

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.