Home / 12,134,466,239.40-18,201,699,359.10-9,379,476,095.40

Finding the Fourth Proportional to 12,134,466,239.40, 18,201,699,359.10 and 9,379,476,095.40

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Solution

The fourth proportional to 12,134,466,239.40, 18,201,699,359.10 and 9,379,476,095.40 is: 14,069,214,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,466,239.40 : 18,201,699,359.10 = 9,379,476,095.40 : x
  2. Step 2: Convert to fraction form
    12,134,466,239.40/18,201,699,359.10 = 9,379,476,095.40/x
  3. Step 3: Cross multiply
    12,134,466,239.40x = 18,201,699,359.10 × 9,379,476,095.40
  4. Step 4: Simplify right side
    12,134,466,239.40x = 170,722,404,034,335,932,416
  5. Step 5: Solve for x
    x = 170,722,404,034,335,932,416/12,134,466,239.40
  6. Step 6: Final answer
    x = 14,069,214,143.10

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Double scale
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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.