Home / 612,986,957.43-846,403,989.89-493,530,090.63

Finding the Fourth Proportional to 612,986,957.43, 846,403,989.89 and 493,530,090.63

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Solution

The fourth proportional to 612,986,957.43, 846,403,989.89 and 493,530,090.63 is: 681,459,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,986,957.43 : 846,403,989.89 = 493,530,090.63 : x
  2. Step 2: Convert to fraction form
    612,986,957.43/846,403,989.89 = 493,530,090.63/x
  3. Step 3: Cross multiply
    612,986,957.43x = 846,403,989.89 × 493,530,090.63
  4. Step 4: Simplify right side
    612,986,957.43x = 417,725,837,837,537,664
  5. Step 5: Solve for x
    x = 417,725,837,837,537,664/612,986,957.43
  6. Step 6: Final answer
    x = 681,459,585.35

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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.