Home / 2,980,621,816.31-4,113,285,308.69-1,642,559,915.63

Finding the Fourth Proportional to 2,980,621,816.31, 4,113,285,308.69 and 1,642,559,915.63

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Solution

The fourth proportional to 2,980,621,816.31, 4,113,285,308.69 and 1,642,559,915.63 is: 2,266,747,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,621,816.31 : 4,113,285,308.69 = 1,642,559,915.63 : x
  2. Step 2: Convert to fraction form
    2,980,621,816.31/4,113,285,308.69 = 1,642,559,915.63/x
  3. Step 3: Cross multiply
    2,980,621,816.31x = 4,113,285,308.69 × 1,642,559,915.63
  4. Step 4: Simplify right side
    2,980,621,816.31x = 6,756,317,569,606,035,456
  5. Step 5: Solve for x
    x = 6,756,317,569,606,035,456/2,980,621,816.31
  6. Step 6: Final answer
    x = 2,266,747,674.14

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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.