Home / 1,536,185,829.56-2,119,943,120.44-831,337,870.20

Finding the Fourth Proportional to 1,536,185,829.56, 2,119,943,120.44 and 831,337,870.20

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Solution

The fourth proportional to 1,536,185,829.56, 2,119,943,120.44 and 831,337,870.20 is: 1,147,249,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,185,829.56 : 2,119,943,120.44 = 831,337,870.20 : x
  2. Step 2: Convert to fraction form
    1,536,185,829.56/2,119,943,120.44 = 831,337,870.20/x
  3. Step 3: Cross multiply
    1,536,185,829.56x = 2,119,943,120.44 × 831,337,870.20
  4. Step 4: Simplify right side
    1,536,185,829.56x = 1,762,388,998,683,366,144
  5. Step 5: Solve for x
    x = 1,762,388,998,683,366,144/1,536,185,829.56
  6. Step 6: Final answer
    x = 1,147,249,873.54

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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.