Home / 20,348,928,831.20-30,523,393,246.80-20,219,934,322.40

Finding the Fourth Proportional to 20,348,928,831.20, 30,523,393,246.80 and 20,219,934,322.40

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Solution

The fourth proportional to 20,348,928,831.20, 30,523,393,246.80 and 20,219,934,322.40 is: 30,329,901,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,928,831.20 : 30,523,393,246.80 = 20,219,934,322.40 : x
  2. Step 2: Convert to fraction form
    20,348,928,831.20/30,523,393,246.80 = 20,219,934,322.40/x
  3. Step 3: Cross multiply
    20,348,928,831.20x = 30,523,393,246.80 × 20,219,934,322.40
  4. Step 4: Simplify right side
    20,348,928,831.20x = 617,181,006,747,083,735,040
  5. Step 5: Solve for x
    x = 617,181,006,747,083,735,040/20,348,928,831.20
  6. Step 6: Final answer
    x = 30,329,901,483.60

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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.