Home / 21,565,376,037.40-32,351,540,021.96-6,642,534,663.68

Finding the Fourth Proportional to 21,565,376,037.40, 32,351,540,021.96 and 6,642,534,663.68

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Solution

The fourth proportional to 21,565,376,037.40, 32,351,540,021.96 and 6,642,534,663.68 is: 9,964,872,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565,376,037.40 : 32,351,540,021.96 = 6,642,534,663.68 : x
  2. Step 2: Convert to fraction form
    21,565,376,037.40/32,351,540,021.96 = 6,642,534,663.68/x
  3. Step 3: Cross multiply
    21,565,376,037.40x = 32,351,540,021.96 × 6,642,534,663.68
  4. Step 4: Simplify right side
    21,565,376,037.40x = 214,896,226,019,111,829,504
  5. Step 5: Solve for x
    x = 214,896,226,019,111,829,504/21,565,376,037.40
  6. Step 6: Final answer
    x = 9,964,872,657.28

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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.