Home / 30,243,774,928.20-45,365,662,392.30-8,160,771,625.80

Finding the Fourth Proportional to 30,243,774,928.20, 45,365,662,392.30 and 8,160,771,625.80

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Solution

The fourth proportional to 30,243,774,928.20, 45,365,662,392.30 and 8,160,771,625.80 is: 12,241,157,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243,774,928.20 : 45,365,662,392.30 = 8,160,771,625.80 : x
  2. Step 2: Convert to fraction form
    30,243,774,928.20/45,365,662,392.30 = 8,160,771,625.80/x
  3. Step 3: Cross multiply
    30,243,774,928.20x = 45,365,662,392.30 × 8,160,771,625.80
  4. Step 4: Simplify right side
    30,243,774,928.20x = 370,218,810,436,704,010,240
  5. Step 5: Solve for x
    x = 370,218,810,436,704,010,240/30,243,774,928.20
  6. Step 6: Final answer
    x = 12,241,157,438.70

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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.