Home / 1,345,168,441.80-2,018,602,968.30-792,469,801.80

Finding the Fourth Proportional to 1,345,168,441.80, 2,018,602,968.30 and 792,469,801.80

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Solution

The fourth proportional to 1,345,168,441.80, 2,018,602,968.30 and 792,469,801.80 is: 1,189,205,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,168,441.80 : 2,018,602,968.30 = 792,469,801.80 : x
  2. Step 2: Convert to fraction form
    1,345,168,441.80/2,018,602,968.30 = 792,469,801.80/x
  3. Step 3: Cross multiply
    1,345,168,441.80x = 2,018,602,968.30 × 792,469,801.80
  4. Step 4: Simplify right side
    1,345,168,441.80x = 1,599,681,894,201,592,576
  5. Step 5: Solve for x
    x = 1,599,681,894,201,592,576/1,345,168,441.80
  6. Step 6: Final answer
    x = 1,189,205,637.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.