Home / 483,340,686.90-666,893,795.43-282,283,541.21

Finding the Fourth Proportional to 483,340,686.90, 666,893,795.43 and 282,283,541.21

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Solution

The fourth proportional to 483,340,686.90, 666,893,795.43 and 282,283,541.21 is: 389,483,333.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,340,686.90 : 666,893,795.43 = 282,283,541.21 : x
  2. Step 2: Convert to fraction form
    483,340,686.90/666,893,795.43 = 282,283,541.21/x
  3. Step 3: Cross multiply
    483,340,686.90x = 666,893,795.43 × 282,283,541.21
  4. Step 4: Simplify right side
    483,340,686.90x = 188,253,142,187,683,520
  5. Step 5: Solve for x
    x = 188,253,142,187,683,520/483,340,686.90
  6. Step 6: Final answer
    x = 389,483,333.99

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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.