Home / 1,036,803,014.40-1,555,428,470.40-309,865,209.60

Finding the Fourth Proportional to 1,036,803,014.40, 1,555,428,470.40 and 309,865,209.60

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Solution

The fourth proportional to 1,036,803,014.40, 1,555,428,470.40 and 309,865,209.60 is: 464,864,745.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,803,014.40 : 1,555,428,470.40 = 309,865,209.60 : x
  2. Step 2: Convert to fraction form
    1,036,803,014.40/1,555,428,470.40 = 309,865,209.60/x
  3. Step 3: Cross multiply
    1,036,803,014.40x = 1,555,428,470.40 × 309,865,209.60
  4. Step 4: Simplify right side
    1,036,803,014.40x = 481,973,168,998,303,488
  5. Step 5: Solve for x
    x = 481,973,168,998,303,488/1,036,803,014.40
  6. Step 6: Final answer
    x = 464,864,745.09

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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.