Home / 1,680,048,125.20-2,520,072,187.80-1,099,572,835.60

Finding the Fourth Proportional to 1,680,048,125.20, 2,520,072,187.80 and 1,099,572,835.60

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Solution

The fourth proportional to 1,680,048,125.20, 2,520,072,187.80 and 1,099,572,835.60 is: 1,649,359,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,048,125.20 : 2,520,072,187.80 = 1,099,572,835.60 : x
  2. Step 2: Convert to fraction form
    1,680,048,125.20/2,520,072,187.80 = 1,099,572,835.60/x
  3. Step 3: Cross multiply
    1,680,048,125.20x = 2,520,072,187.80 × 1,099,572,835.60
  4. Step 4: Simplify right side
    1,680,048,125.20x = 2,771,002,921,455,941,632
  5. Step 5: Solve for x
    x = 2,771,002,921,455,941,632/1,680,048,125.20
  6. Step 6: Final answer
    x = 1,649,359,253.40

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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.