Home / 716,760,404.94-989,179,071.85-434,514,742.43

Finding the Fourth Proportional to 716,760,404.94, 989,179,071.85 and 434,514,742.43

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Solution

The fourth proportional to 716,760,404.94, 989,179,071.85 and 434,514,742.43 is: 599,660,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,760,404.94 : 989,179,071.85 = 434,514,742.43 : x
  2. Step 2: Convert to fraction form
    716,760,404.94/989,179,071.85 = 434,514,742.43/x
  3. Step 3: Cross multiply
    716,760,404.94x = 989,179,071.85 × 434,514,742.43
  4. Step 4: Simplify right side
    716,760,404.94x = 429,812,889,623,435,840
  5. Step 5: Solve for x
    x = 429,812,889,623,435,840/716,760,404.94
  6. Step 6: Final answer
    x = 599,660,481.61

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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.