Home / 31,561,932,072.48-43,538,953,178.64-19,515,091,967.52

Finding the Fourth Proportional to 31,561,932,072.48, 43,538,953,178.64 and 19,515,091,967.52

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Solution

The fourth proportional to 31,561,932,072.48, 43,538,953,178.64 and 19,515,091,967.52 is: 26,920,616,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561,932,072.48 : 43,538,953,178.64 = 19,515,091,967.52 : x
  2. Step 2: Convert to fraction form
    31,561,932,072.48/43,538,953,178.64 = 19,515,091,967.52/x
  3. Step 3: Cross multiply
    31,561,932,072.48x = 43,538,953,178.64 × 19,515,091,967.52
  4. Step 4: Simplify right side
    31,561,932,072.48x = 849,666,675,450,706,788,352
  5. Step 5: Solve for x
    x = 849,666,675,450,706,788,352/31,561,932,072.48
  6. Step 6: Final answer
    x = 26,920,616,694.17

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1.5x scale

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.