Home / 1,020,241,000.55-1,530,361,500.83-330,218,006.15

Finding the Fourth Proportional to 1,020,241,000.55, 1,530,361,500.83 and 330,218,006.15

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Solution

The fourth proportional to 1,020,241,000.55, 1,530,361,500.83 and 330,218,006.15 is: 495,327,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,241,000.55 : 1,530,361,500.83 = 330,218,006.15 : x
  2. Step 2: Convert to fraction form
    1,020,241,000.55/1,530,361,500.83 = 330,218,006.15/x
  3. Step 3: Cross multiply
    1,020,241,000.55x = 1,530,361,500.83 × 330,218,006.15
  4. Step 4: Simplify right side
    1,020,241,000.55x = 505,352,923,491,153,088
  5. Step 5: Solve for x
    x = 505,352,923,491,153,088/1,020,241,000.55
  6. Step 6: Final answer
    x = 495,327,009.23

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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.