Home / 69,108,158,284.38-103,662,237,426.58-19,421,480,570.13

Finding the Fourth Proportional to 69,108,158,284.38, 103,662,237,426.58 and 19,421,480,570.13

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Solution

The fourth proportional to 69,108,158,284.38, 103,662,237,426.58 and 19,421,480,570.13 is: 29,132,220,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,284.38 : 103,662,237,426.58 = 19,421,480,570.13 : x
  2. Step 2: Convert to fraction form
    69,108,158,284.38/103,662,237,426.58 = 19,421,480,570.13/x
  3. Step 3: Cross multiply
    69,108,158,284.38x = 103,662,237,426.58 × 19,421,480,570.13
  4. Step 4: Simplify right side
    69,108,158,284.38x = 2,013,274,130,036,526,415,872
  5. Step 5: Solve for x
    x = 2,013,274,130,036,526,415,872/69,108,158,284.38
  6. Step 6: Final answer
    x = 29,132,220,855.20

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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.