Home / 686,598,768.16-1,029,898,152.22-201,924,576.16

Finding the Fourth Proportional to 686,598,768.16, 1,029,898,152.22 and 201,924,576.16

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Solution

The fourth proportional to 686,598,768.16, 1,029,898,152.22 and 201,924,576.16 is: 302,886,864.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,598,768.16 : 1,029,898,152.22 = 201,924,576.16 : x
  2. Step 2: Convert to fraction form
    686,598,768.16/1,029,898,152.22 = 201,924,576.16/x
  3. Step 3: Cross multiply
    686,598,768.16x = 1,029,898,152.22 × 201,924,576.16
  4. Step 4: Simplify right side
    686,598,768.16x = 207,961,747,874,990,656
  5. Step 5: Solve for x
    x = 207,961,747,874,990,656/686,598,768.16
  6. Step 6: Final answer
    x = 302,886,864.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.