Home / 719,726,843.70-1,079,590,265.55-447,629,051.70

Finding the Fourth Proportional to 719,726,843.70, 1,079,590,265.55 and 447,629,051.70

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Solution

The fourth proportional to 719,726,843.70, 1,079,590,265.55 and 447,629,051.70 is: 671,443,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,726,843.70 : 1,079,590,265.55 = 447,629,051.70 : x
  2. Step 2: Convert to fraction form
    719,726,843.70/1,079,590,265.55 = 447,629,051.70/x
  3. Step 3: Cross multiply
    719,726,843.70x = 1,079,590,265.55 × 447,629,051.70
  4. Step 4: Simplify right side
    719,726,843.70x = 483,255,966,792,697,664
  5. Step 5: Solve for x
    x = 483,255,966,792,697,664/719,726,843.70
  6. Step 6: Final answer
    x = 671,443,577.55

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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.