Home / 13,131,389,702.34-19,698,295,421.58-4,288,274,901.66

Finding the Fourth Proportional to 13,131,389,702.34, 19,698,295,421.58 and 4,288,274,901.66

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Solution

The fourth proportional to 13,131,389,702.34, 19,698,295,421.58 and 4,288,274,901.66 is: 6,432,807,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,389,702.34 : 19,698,295,421.58 = 4,288,274,901.66 : x
  2. Step 2: Convert to fraction form
    13,131,389,702.34/19,698,295,421.58 = 4,288,274,901.66/x
  3. Step 3: Cross multiply
    13,131,389,702.34x = 19,698,295,421.58 × 4,288,274,901.66
  4. Step 4: Simplify right side
    13,131,389,702.34x = 84,471,705,861,845,614,592
  5. Step 5: Solve for x
    x = 84,471,705,861,845,614,592/13,131,389,702.34
  6. Step 6: Final answer
    x = 6,432,807,781.71

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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.