Home / 21,565,056,478.65-32,349,211,155.32-6,437,431,478.85

Finding the Fourth Proportional to 21,565,056,478.65, 32,349,211,155.32 and 6,437,431,478.85

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Solution

The fourth proportional to 21,565,056,478.65, 32,349,211,155.32 and 6,437,431,478.85 is: 9,656,632,729.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565,056,478.65 : 32,349,211,155.32 = 6,437,431,478.85 : x
  2. Step 2: Convert to fraction form
    21,565,056,478.65/32,349,211,155.32 = 6,437,431,478.85/x
  3. Step 3: Cross multiply
    21,565,056,478.65x = 32,349,211,155.32 × 6,437,431,478.85
  4. Step 4: Simplify right side
    21,565,056,478.65x = 208,245,830,207,190,368,256
  5. Step 5: Solve for x
    x = 208,245,830,207,190,368,256/21,565,056,478.65
  6. Step 6: Final answer
    x = 9,656,632,729.59

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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.