Home / 69,108,158,287.47-103,662,237,431.20-19,421,480,573.22

Finding the Fourth Proportional to 69,108,158,287.47, 103,662,237,431.20 and 19,421,480,573.22

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Solution

The fourth proportional to 69,108,158,287.47, 103,662,237,431.20 and 19,421,480,573.22 is: 29,132,220,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108,158,287.47 : 103,662,237,431.20 = 19,421,480,573.22 : x
  2. Step 2: Convert to fraction form
    69,108,158,287.47/103,662,237,431.20 = 19,421,480,573.22/x
  3. Step 3: Cross multiply
    69,108,158,287.47x = 103,662,237,431.20 × 19,421,480,573.22
  4. Step 4: Simplify right side
    69,108,158,287.47x = 2,013,274,130,446,569,963,520
  5. Step 5: Solve for x
    x = 2,013,274,130,446,569,963,520/69,108,158,287.47
  6. Step 6: Final answer
    x = 29,132,220,859.83

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Double scale
Find fourth proportional to 69,108,158,288.47, 103,662,237,432.70 and 19,421,480,574.22
Similar ratio
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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.