Home / 20,357,731,327.08-28,093,923,396.88-11,203,313,386.20

Finding the Fourth Proportional to 20,357,731,327.08, 28,093,923,396.88 and 11,203,313,386.20

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Solution

The fourth proportional to 20,357,731,327.08, 28,093,923,396.88 and 11,203,313,386.20 is: 15,460,712,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357,731,327.08 : 28,093,923,396.88 = 11,203,313,386.20 : x
  2. Step 2: Convert to fraction form
    20,357,731,327.08/28,093,923,396.88 = 11,203,313,386.20/x
  3. Step 3: Cross multiply
    20,357,731,327.08x = 28,093,923,396.88 × 11,203,313,386.20
  4. Step 4: Simplify right side
    20,357,731,327.08x = 314,745,028,063,143,133,184
  5. Step 5: Solve for x
    x = 314,745,028,063,143,133,184/20,357,731,327.08
  6. Step 6: Final answer
    x = 15,460,712,345.90

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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.