Home / 40,347,163,949,988-55,679,139,945,276-21,849,164,452,518

Finding the Fourth Proportional to 40,347,163,949,988, 55,679,139,945,276 and 21,849,164,452,518

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Solution

The fourth proportional to 40,347,163,949,988, 55,679,139,945,276 and 21,849,164,452,518 is: 30,151,876,021,498.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347,163,949,988 : 55,679,139,945,276 = 21,849,164,452,518 : x
  2. Step 2: Convert to fraction form
    40,347,163,949,988/55,679,139,945,276 = 21,849,164,452,518/x
  3. Step 3: Cross multiply
    40,347,163,949,988x = 55,679,139,945,276 × 21,849,164,452,518
  4. Step 4: Simplify right side
    40,347,163,949,988x = 1,216,542,685,239,099,382,009,167,872
  5. Step 5: Solve for x
    x = 1,216,542,685,239,099,382,009,167,872/40,347,163,949,988
  6. Step 6: Final answer
    x = 30,151,876,021,498.19

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Double scale
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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.