Home / 20,472,627,085.20-30,708,940,627.80-8,051,362,880.40

Finding the Fourth Proportional to 20,472,627,085.20, 30,708,940,627.80 and 8,051,362,880.40

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Solution

The fourth proportional to 20,472,627,085.20, 30,708,940,627.80 and 8,051,362,880.40 is: 12,077,044,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472,627,085.20 : 30,708,940,627.80 = 8,051,362,880.40 : x
  2. Step 2: Convert to fraction form
    20,472,627,085.20/30,708,940,627.80 = 8,051,362,880.40/x
  3. Step 3: Cross multiply
    20,472,627,085.20x = 30,708,940,627.80 × 8,051,362,880.40
  4. Step 4: Simplify right side
    20,472,627,085.20x = 247,248,824,667,076,362,240
  5. Step 5: Solve for x
    x = 247,248,824,667,076,362,240/20,472,627,085.20
  6. Step 6: Final answer
    x = 12,077,044,320.60

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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.