Home / 716,760,410.45-989,179,079.39-434,514,747.90

Finding the Fourth Proportional to 716,760,410.45, 989,179,079.39 and 434,514,747.90

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Solution

The fourth proportional to 716,760,410.45, 989,179,079.39 and 434,514,747.90 is: 599,660,489.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,760,410.45 : 989,179,079.39 = 434,514,747.90 : x
  2. Step 2: Convert to fraction form
    716,760,410.45/989,179,079.39 = 434,514,747.90/x
  3. Step 3: Cross multiply
    716,760,410.45x = 989,179,079.39 × 434,514,747.90
  4. Step 4: Simplify right side
    716,760,410.45x = 429,812,898,306,927,360
  5. Step 5: Solve for x
    x = 429,812,898,306,927,360/716,760,410.45
  6. Step 6: Final answer
    x = 599,660,489.12

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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.