Home / 2,980,621,815.08-4,113,285,306.93-1,642,559,914.35

Finding the Fourth Proportional to 2,980,621,815.08, 4,113,285,306.93 and 1,642,559,914.35

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Solution

The fourth proportional to 2,980,621,815.08, 4,113,285,306.93 and 1,642,559,914.35 is: 2,266,747,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,621,815.08 : 4,113,285,306.93 = 1,642,559,914.35 : x
  2. Step 2: Convert to fraction form
    2,980,621,815.08/4,113,285,306.93 = 1,642,559,914.35/x
  3. Step 3: Cross multiply
    2,980,621,815.08x = 4,113,285,306.93 × 1,642,559,914.35
  4. Step 4: Simplify right side
    2,980,621,815.08x = 6,756,317,561,448,053,760
  5. Step 5: Solve for x
    x = 6,756,317,561,448,053,760/2,980,621,815.08
  6. Step 6: Final answer
    x = 2,266,747,672.34

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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.