Home / 10,309,828,419.20-15,464,742,628.80-3,765,876,521.60

Finding the Fourth Proportional to 10,309,828,419.20, 15,464,742,628.80 and 3,765,876,521.60

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Solution

The fourth proportional to 10,309,828,419.20, 15,464,742,628.80 and 3,765,876,521.60 is: 5,648,814,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309,828,419.20 : 15,464,742,628.80 = 3,765,876,521.60 : x
  2. Step 2: Convert to fraction form
    10,309,828,419.20/15,464,742,628.80 = 3,765,876,521.60/x
  3. Step 3: Cross multiply
    10,309,828,419.20x = 15,464,742,628.80 × 3,765,876,521.60
  4. Step 4: Simplify right side
    10,309,828,419.20x = 58,238,311,178,384,580,608
  5. Step 5: Solve for x
    x = 58,238,311,178,384,580,608/10,309,828,419.20
  6. Step 6: Final answer
    x = 5,648,814,782.40

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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.