Home / 21,347,999,718.57-32,015,552,534.22-6,421,202,778.72

Finding the Fourth Proportional to 21,347,999,718.57, 32,015,552,534.22 and 6,421,202,778.72

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Solution

The fourth proportional to 21,347,999,718.57, 32,015,552,534.22 and 6,421,202,778.72 is: 9,629,864,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,999,718.57 : 32,015,552,534.22 = 6,421,202,778.72 : x
  2. Step 2: Convert to fraction form
    21,347,999,718.57/32,015,552,534.22 = 6,421,202,778.72/x
  3. Step 3: Cross multiply
    21,347,999,718.57x = 32,015,552,534.22 × 6,421,202,778.72
  4. Step 4: Simplify right side
    21,347,999,718.57x = 205,578,354,894,989,623,296
  5. Step 5: Solve for x
    x = 205,578,354,894,989,623,296/21,347,999,718.57
  6. Step 6: Final answer
    x = 9,629,864,980.57

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1.5x scale

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.