Home / 30,542,012,644.59-42,147,316,495.89-17,682,194,838.06

Finding the Fourth Proportional to 30,542,012,644.59, 42,147,316,495.89 and 17,682,194,838.06

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Solution

The fourth proportional to 30,542,012,644.59, 42,147,316,495.89 and 17,682,194,838.06 is: 24,401,046,219.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,542,012,644.59 : 42,147,316,495.89 = 17,682,194,838.06 : x
  2. Step 2: Convert to fraction form
    30,542,012,644.59/42,147,316,495.89 = 17,682,194,838.06/x
  3. Step 3: Cross multiply
    30,542,012,644.59x = 42,147,316,495.89 × 17,682,194,838.06
  4. Step 4: Simplify right side
    30,542,012,644.59x = 745,257,062,181,707,317,248
  5. Step 5: Solve for x
    x = 745,257,062,181,707,317,248/30,542,012,644.59
  6. Step 6: Final answer
    x = 24,401,046,219.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.