Home / 612,986,935.61-846,403,959.84-493,530,068.81

Finding the Fourth Proportional to 612,986,935.61, 846,403,959.84 and 493,530,068.81

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Solution

The fourth proportional to 612,986,935.61, 846,403,959.84 and 493,530,068.81 is: 681,459,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,986,935.61 : 846,403,959.84 = 493,530,068.81 : x
  2. Step 2: Convert to fraction form
    612,986,935.61/846,403,959.84 = 493,530,068.81/x
  3. Step 3: Cross multiply
    612,986,935.61x = 846,403,959.84 × 493,530,068.81
  4. Step 4: Simplify right side
    612,986,935.61x = 417,725,804,541,156,928
  5. Step 5: Solve for x
    x = 417,725,804,541,156,928/612,986,935.61
  6. Step 6: Final answer
    x = 681,459,555.29

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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.