Home / 20,155,416,004.60-30,233,124,006.90-12,826,915,473.40

Finding the Fourth Proportional to 20,155,416,004.60, 30,233,124,006.90 and 12,826,915,473.40

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Solution

The fourth proportional to 20,155,416,004.60, 30,233,124,006.90 and 12,826,915,473.40 is: 19,240,373,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,416,004.60 : 30,233,124,006.90 = 12,826,915,473.40 : x
  2. Step 2: Convert to fraction form
    20,155,416,004.60/30,233,124,006.90 = 12,826,915,473.40/x
  3. Step 3: Cross multiply
    20,155,416,004.60x = 30,233,124,006.90 × 12,826,915,473.40
  4. Step 4: Simplify right side
    20,155,416,004.60x = 387,797,726,133,326,643,200
  5. Step 5: Solve for x
    x = 387,797,726,133,326,643,200/20,155,416,004.60
  6. Step 6: Final answer
    x = 19,240,373,210.10

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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.