Home / 899,540,960.81-1,349,036,512.59-317,139,003.84

Finding the Fourth Proportional to 899,540,960.81, 1,349,036,512.59 and 317,139,003.84

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Solution

The fourth proportional to 899,540,960.81, 1,349,036,512.59 and 317,139,003.84 is: 475,611,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,540,960.81 : 1,349,036,512.59 = 317,139,003.84 : x
  2. Step 2: Convert to fraction form
    899,540,960.81/1,349,036,512.59 = 317,139,003.84/x
  3. Step 3: Cross multiply
    899,540,960.81x = 1,349,036,512.59 × 317,139,003.84
  4. Step 4: Simplify right side
    899,540,960.81x = 427,832,095,750,148,544
  5. Step 5: Solve for x
    x = 427,832,095,750,148,544/899,540,960.81
  6. Step 6: Final answer
    x = 475,611,577.89

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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.