Home / 943,699,361.29-1,302,863,756.30-838,988,212.45

Finding the Fourth Proportional to 943,699,361.29, 1,302,863,756.30 and 838,988,212.45

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Solution

The fourth proportional to 943,699,361.29, 1,302,863,756.30 and 838,988,212.45 is: 1,158,300,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,699,361.29 : 1,302,863,756.30 = 838,988,212.45 : x
  2. Step 2: Convert to fraction form
    943,699,361.29/1,302,863,756.30 = 838,988,212.45/x
  3. Step 3: Cross multiply
    943,699,361.29x = 1,302,863,756.30 × 838,988,212.45
  4. Step 4: Simplify right side
    943,699,361.29x = 1,093,087,333,964,029,440
  5. Step 5: Solve for x
    x = 1,093,087,333,964,029,440/943,699,361.29
  6. Step 6: Final answer
    x = 1,158,300,385.48

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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.