Home / 1,213,127,665,391.50-1,674,168,802,856.10-671,804,387,136.26

Finding the Fourth Proportional to 1,213,127,665,391.50, 1,674,168,802,856.10 and 671,804,387,136.26

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Solution

The fourth proportional to 1,213,127,665,391.50, 1,674,168,802,856.10 and 671,804,387,136.26 is: 927,119,196,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,127,665,391.50 : 1,674,168,802,856.10 = 671,804,387,136.26 : x
  2. Step 2: Convert to fraction form
    1,213,127,665,391.50/1,674,168,802,856.10 = 671,804,387,136.26/x
  3. Step 3: Cross multiply
    1,213,127,665,391.50x = 1,674,168,802,856.10 × 671,804,387,136.26
  4. Step 4: Simplify right side
    1,213,127,665,391.50x = 1,124,713,946,565,388,395,347,968
  5. Step 5: Solve for x
    x = 1,124,713,946,565,388,395,347,968/1,213,127,665,391.50
  6. Step 6: Final answer
    x = 927,119,196,644.83

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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.