Home / 40,347,163,950,015-55,679,139,945,312-21,849,164,452,545

Finding the Fourth Proportional to 40,347,163,950,015, 55,679,139,945,312 and 21,849,164,452,545

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Solution

The fourth proportional to 40,347,163,950,015, 55,679,139,945,312 and 21,849,164,452,545 is: 30,151,876,021,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347,163,950,015 : 55,679,139,945,312 = 21,849,164,452,545 : x
  2. Step 2: Convert to fraction form
    40,347,163,950,015/55,679,139,945,312 = 21,849,164,452,545/x
  3. Step 3: Cross multiply
    40,347,163,950,015x = 55,679,139,945,312 × 21,849,164,452,545
  4. Step 4: Simplify right side
    40,347,163,950,015x = 1,216,542,685,241,389,252,412,964,864
  5. Step 5: Solve for x
    x = 1,216,542,685,241,389,252,412,964,864/40,347,163,950,015
  6. Step 6: Final answer
    x = 30,151,876,021,534.77

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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.