Home / 829,804,243.80-1,244,706,365.70-782,187,130.20

Finding the Fourth Proportional to 829,804,243.80, 1,244,706,365.70 and 782,187,130.20

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Solution

The fourth proportional to 829,804,243.80, 1,244,706,365.70 and 782,187,130.20 is: 1,173,280,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,804,243.80 : 1,244,706,365.70 = 782,187,130.20 : x
  2. Step 2: Convert to fraction form
    829,804,243.80/1,244,706,365.70 = 782,187,130.20/x
  3. Step 3: Cross multiply
    829,804,243.80x = 1,244,706,365.70 × 782,187,130.20
  4. Step 4: Simplify right side
    829,804,243.80x = 973,593,300,128,554,752
  5. Step 5: Solve for x
    x = 973,593,300,128,554,752/829,804,243.80
  6. Step 6: Final answer
    x = 1,173,280,695.30

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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.