Home / 15,896,775,520,788-21,955,646,011,603-10,685,156,145,455

Finding the Fourth Proportional to 15,896,775,520,788, 21,955,646,011,603 and 10,685,156,145,455

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Solution

The fourth proportional to 15,896,775,520,788, 21,955,646,011,603 and 10,685,156,145,455 is: 14,757,678,725,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,775,520,788 : 21,955,646,011,603 = 10,685,156,145,455 : x
  2. Step 2: Convert to fraction form
    15,896,775,520,788/21,955,646,011,603 = 10,685,156,145,455/x
  3. Step 3: Cross multiply
    15,896,775,520,788x = 21,955,646,011,603 × 10,685,156,145,455
  4. Step 4: Simplify right side
    15,896,775,520,788x = 234,599,505,908,314,362,771,144,704
  5. Step 5: Solve for x
    x = 234,599,505,908,314,362,771,144,704/15,896,775,520,788
  6. Step 6: Final answer
    x = 14,757,678,725,571.22

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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.