Home / 30,518,900,440.20-45,780,529,900.50-8,134,531,533.72

Finding the Fourth Proportional to 30,518,900,440.20, 45,780,529,900.50 and 8,134,531,533.72

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Solution

The fourth proportional to 30,518,900,440.20, 45,780,529,900.50 and 8,134,531,533.72 is: 12,202,378,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518,900,440.20 : 45,780,529,900.50 = 8,134,531,533.72 : x
  2. Step 2: Convert to fraction form
    30,518,900,440.20/45,780,529,900.50 = 8,134,531,533.72/x
  3. Step 3: Cross multiply
    30,518,900,440.20x = 45,780,529,900.50 × 8,134,531,533.72
  4. Step 4: Simplify right side
    30,518,900,440.20x = 372,403,164,106,028,613,632
  5. Step 5: Solve for x
    x = 372,403,164,106,028,613,632/30,518,900,440.20
  6. Step 6: Final answer
    x = 12,202,378,156.96

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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.