Home / 519,492,587.58-716,890,910.55-281,335,837.02

Finding the Fourth Proportional to 519,492,587.58, 716,890,910.55 and 281,335,837.02

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Solution

The fourth proportional to 519,492,587.58, 716,890,910.55 and 281,335,837.02 is: 388,238,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,492,587.58 : 716,890,910.55 = 281,335,837.02 : x
  2. Step 2: Convert to fraction form
    519,492,587.58/716,890,910.55 = 281,335,837.02/x
  3. Step 3: Cross multiply
    519,492,587.58x = 716,890,910.55 × 281,335,837.02
  4. Step 4: Simplify right side
    519,492,587.58x = 201,687,104,371,614,176
  5. Step 5: Solve for x
    x = 201,687,104,371,614,176/519,492,587.58
  6. Step 6: Final answer
    x = 388,238,656.71

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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.