Home / 20,594,653,681.15-30,892,084,652.91-6,428,431,925.21

Finding the Fourth Proportional to 20,594,653,681.15, 30,892,084,652.91 and 6,428,431,925.21

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Solution

The fourth proportional to 20,594,653,681.15, 30,892,084,652.91 and 6,428,431,925.21 is: 9,642,680,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,653,681.15 : 30,892,084,652.91 = 6,428,431,925.21 : x
  2. Step 2: Convert to fraction form
    20,594,653,681.15/30,892,084,652.91 = 6,428,431,925.21/x
  3. Step 3: Cross multiply
    20,594,653,681.15x = 30,892,084,652.91 × 6,428,431,925.21
  4. Step 4: Simplify right side
    20,594,653,681.15x = 198,587,663,219,056,541,696
  5. Step 5: Solve for x
    x = 198,587,663,219,056,541,696/20,594,653,681.15
  6. Step 6: Final answer
    x = 9,642,680,391.41

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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.