Home / 20,043,072,913.52-30,090,884,688.13-13,440,247,358.65

Finding the Fourth Proportional to 20,043,072,913.52, 30,090,884,688.13 and 13,440,247,358.65

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Solution

The fourth proportional to 20,043,072,913.52, 30,090,884,688.13 and 13,440,247,358.65 is: 20,177,990,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043,072,913.52 : 30,090,884,688.13 = 13,440,247,358.65 : x
  2. Step 2: Convert to fraction form
    20,043,072,913.52/30,090,884,688.13 = 13,440,247,358.65/x
  3. Step 3: Cross multiply
    20,043,072,913.52x = 30,090,884,688.13 × 13,440,247,358.65
  4. Step 4: Simplify right side
    20,043,072,913.52x = 404,428,933,448,923,480,064
  5. Step 5: Solve for x
    x = 404,428,933,448,923,480,064/20,043,072,913.52
  6. Step 6: Final answer
    x = 20,177,990,430.60

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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.