Home / 719,938,866.80-1,079,908,302.87-202,369,307.29

Finding the Fourth Proportional to 719,938,866.80, 1,079,908,302.87 and 202,369,307.29

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Solution

The fourth proportional to 719,938,866.80, 1,079,908,302.87 and 202,369,307.29 is: 303,553,961.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,938,866.80 : 1,079,908,302.87 = 202,369,307.29 : x
  2. Step 2: Convert to fraction form
    719,938,866.80/1,079,908,302.87 = 202,369,307.29/x
  3. Step 3: Cross multiply
    719,938,866.80x = 1,079,908,302.87 × 202,369,307.29
  4. Step 4: Simplify right side
    719,938,866.80x = 218,540,295,185,821,632
  5. Step 5: Solve for x
    x = 218,540,295,185,821,632/719,938,866.80
  6. Step 6: Final answer
    x = 303,553,961.68

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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.