Home / 1,213,127,665,391.20-1,674,168,802,855.70-671,804,387,136

Finding the Fourth Proportional to 1,213,127,665,391.20, 1,674,168,802,855.70 and 671,804,387,136

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Solution

The fourth proportional to 1,213,127,665,391.20, 1,674,168,802,855.70 and 671,804,387,136 is: 927,119,196,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,127,665,391.20 : 1,674,168,802,855.70 = 671,804,387,136 : x
  2. Step 2: Convert to fraction form
    1,213,127,665,391.20/1,674,168,802,855.70 = 671,804,387,136/x
  3. Step 3: Cross multiply
    1,213,127,665,391.20x = 1,674,168,802,855.70 × 671,804,387,136
  4. Step 4: Simplify right side
    1,213,127,665,391.20x = 1,124,713,946,564,684,289,146,880
  5. Step 5: Solve for x
    x = 1,124,713,946,564,684,289,146,880/1,213,127,665,391.20
  6. Step 6: Final answer
    x = 927,119,196,644.48

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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.