Home / 389,369,495.00-537,329,929.33-213,157,490.37

Finding the Fourth Proportional to 389,369,495.00, 537,329,929.33 and 213,157,490.37

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Solution

The fourth proportional to 389,369,495.00, 537,329,929.33 and 213,157,490.37 is: 294,157,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,369,495.00 : 537,329,929.33 = 213,157,490.37 : x
  2. Step 2: Convert to fraction form
    389,369,495.00/537,329,929.33 = 213,157,490.37/x
  3. Step 3: Cross multiply
    389,369,495.00x = 537,329,929.33 × 213,157,490.37
  4. Step 4: Simplify right side
    389,369,495.00x = 114,535,899,236,139,360
  5. Step 5: Solve for x
    x = 114,535,899,236,139,360/389,369,495.00
  6. Step 6: Final answer
    x = 294,157,351.07

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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.