Home / 69,108,158,299.38-103,662,237,449.08-19,421,480,585.13

Finding the Fourth Proportional to 69,108,158,299.38, 103,662,237,449.08 and 19,421,480,585.13

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Solution

The fourth proportional to 69,108,158,299.38, 103,662,237,449.08 and 19,421,480,585.13 is: 29,132,220,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,299.38 : 103,662,237,449.08 = 19,421,480,585.13 : x
  2. Step 2: Convert to fraction form
    69,108,158,299.38/103,662,237,449.08 = 19,421,480,585.13/x
  3. Step 3: Cross multiply
    69,108,158,299.38x = 103,662,237,449.08 × 19,421,480,585.13
  4. Step 4: Simplify right side
    69,108,158,299.38x = 2,013,274,132,028,443,328,512
  5. Step 5: Solve for x
    x = 2,013,274,132,028,443,328,512/69,108,158,299.38
  6. Step 6: Final answer
    x = 29,132,220,877.70

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Double scale
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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.