Home / 20,362,078,200.89-30,547,513,513.05-6,198,151,531.88

Finding the Fourth Proportional to 20,362,078,200.89, 30,547,513,513.05 and 6,198,151,531.88

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Solution

The fourth proportional to 20,362,078,200.89, 30,547,513,513.05 and 6,198,151,531.88 is: 9,298,565,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362,078,200.89 : 30,547,513,513.05 = 6,198,151,531.88 : x
  2. Step 2: Convert to fraction form
    20,362,078,200.89/30,547,513,513.05 = 6,198,151,531.88/x
  3. Step 3: Cross multiply
    20,362,078,200.89x = 30,547,513,513.05 × 6,198,151,531.88
  4. Step 4: Simplify right side
    20,362,078,200.89x = 189,338,117,676,035,866,624
  5. Step 5: Solve for x
    x = 189,338,117,676,035,866,624/20,362,078,200.89
  6. Step 6: Final answer
    x = 9,298,565,490.62

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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.