Home / 1,170,778,065.74-1,756,270,325.67-330,428,295.32

Finding the Fourth Proportional to 1,170,778,065.74, 1,756,270,325.67 and 330,428,295.32

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Solution

The fourth proportional to 1,170,778,065.74, 1,756,270,325.67 and 330,428,295.32 is: 495,671,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,778,065.74 : 1,756,270,325.67 = 330,428,295.32 : x
  2. Step 2: Convert to fraction form
    1,170,778,065.74/1,756,270,325.67 = 330,428,295.32/x
  3. Step 3: Cross multiply
    1,170,778,065.74x = 1,756,270,325.67 × 330,428,295.32
  4. Step 4: Simplify right side
    1,170,778,065.74x = 580,321,409,823,458,048
  5. Step 5: Solve for x
    x = 580,321,409,823,458,048/1,170,778,065.74
  6. Step 6: Final answer
    x = 495,671,576.71

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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.