Home / 13,051,930,997.28-19,563,957,714.30-7,443,792,397.50

Finding the Fourth Proportional to 13,051,930,997.28, 19,563,957,714.30 and 7,443,792,397.50

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Solution

The fourth proportional to 13,051,930,997.28, 19,563,957,714.30 and 7,443,792,397.50 is: 11,157,739,014.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,930,997.28 : 19,563,957,714.30 = 7,443,792,397.50 : x
  2. Step 2: Convert to fraction form
    13,051,930,997.28/19,563,957,714.30 = 7,443,792,397.50/x
  3. Step 3: Cross multiply
    13,051,930,997.28x = 19,563,957,714.30 × 7,443,792,397.50
  4. Step 4: Simplify right side
    13,051,930,997.28x = 145,630,039,698,717,818,880
  5. Step 5: Solve for x
    x = 145,630,039,698,717,818,880/13,051,930,997.28
  6. Step 6: Final answer
    x = 11,157,739,014.18

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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.