Home / 12,482,830,541.20-18,724,245,811.80-5,127,120,230.80

Finding the Fourth Proportional to 12,482,830,541.20, 18,724,245,811.80 and 5,127,120,230.80

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Solution

The fourth proportional to 12,482,830,541.20, 18,724,245,811.80 and 5,127,120,230.80 is: 7,690,680,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,830,541.20 : 18,724,245,811.80 = 5,127,120,230.80 : x
  2. Step 2: Convert to fraction form
    12,482,830,541.20/18,724,245,811.80 = 5,127,120,230.80/x
  3. Step 3: Cross multiply
    12,482,830,541.20x = 18,724,245,811.80 × 5,127,120,230.80
  4. Step 4: Simplify right side
    12,482,830,541.20x = 96,001,459,508,151,943,168
  5. Step 5: Solve for x
    x = 96,001,459,508,151,943,168/12,482,830,541.20
  6. Step 6: Final answer
    x = 7,690,680,346.20

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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.