Home / 389,300,417.27-537,237,926.10-222,045,150.43

Finding the Fourth Proportional to 389,300,417.27, 537,237,926.10 and 222,045,150.43

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Solution

The fourth proportional to 389,300,417.27, 537,237,926.10 and 222,045,150.43 is: 306,424,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,300,417.27 : 537,237,926.10 = 222,045,150.43 : x
  2. Step 2: Convert to fraction form
    389,300,417.27/537,237,926.10 = 222,045,150.43/x
  3. Step 3: Cross multiply
    389,300,417.27x = 537,237,926.10 × 222,045,150.43
  4. Step 4: Simplify right side
    389,300,417.27x = 119,291,076,116,465,504
  5. Step 5: Solve for x
    x = 119,291,076,116,465,504/389,300,417.27
  6. Step 6: Final answer
    x = 306,424,218.48

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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.