Home / 12,218,483,343.45-18,320,224,324.46-4,748,343,849.21

Finding the Fourth Proportional to 12,218,483,343.45, 18,320,224,324.46 and 4,748,343,849.21

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Solution

The fourth proportional to 12,218,483,343.45, 18,320,224,324.46 and 4,748,343,849.21 is: 7,119,600,857.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,483,343.45 : 18,320,224,324.46 = 4,748,343,849.21 : x
  2. Step 2: Convert to fraction form
    12,218,483,343.45/18,320,224,324.46 = 4,748,343,849.21/x
  3. Step 3: Cross multiply
    12,218,483,343.45x = 18,320,224,324.46 × 4,748,343,849.21
  4. Step 4: Simplify right side
    12,218,483,343.45x = 86,990,724,487,173,341,184
  5. Step 5: Solve for x
    x = 86,990,724,487,173,341,184/12,218,483,343.45
  6. Step 6: Final answer
    x = 7,119,600,857.32

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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.