Home / 28,740,735,276.80-43,111,102,915.20-21,001,064,748.80

Finding the Fourth Proportional to 28,740,735,276.80, 43,111,102,915.20 and 21,001,064,748.80

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Solution

The fourth proportional to 28,740,735,276.80, 43,111,102,915.20 and 21,001,064,748.80 is: 31,501,597,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,740,735,276.80 : 43,111,102,915.20 = 21,001,064,748.80 : x
  2. Step 2: Convert to fraction form
    28,740,735,276.80/43,111,102,915.20 = 21,001,064,748.80/x
  3. Step 3: Cross multiply
    28,740,735,276.80x = 43,111,102,915.20 × 21,001,064,748.80
  4. Step 4: Simplify right side
    28,740,735,276.80x = 905,379,063,714,295,578,624
  5. Step 5: Solve for x
    x = 905,379,063,714,295,578,624/28,740,735,276.80
  6. Step 6: Final answer
    x = 31,501,597,123.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.