Home / 686,598,844.14-1,029,898,266.20-201,924,652.14

Finding the Fourth Proportional to 686,598,844.14, 1,029,898,266.20 and 201,924,652.14

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Solution

The fourth proportional to 686,598,844.14, 1,029,898,266.20 and 201,924,652.14 is: 302,886,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,598,844.14 : 1,029,898,266.20 = 201,924,652.14 : x
  2. Step 2: Convert to fraction form
    686,598,844.14/1,029,898,266.20 = 201,924,652.14/x
  3. Step 3: Cross multiply
    686,598,844.14x = 1,029,898,266.20 × 201,924,652.14
  4. Step 4: Simplify right side
    686,598,844.14x = 207,961,849,141,781,792
  5. Step 5: Solve for x
    x = 207,961,849,141,781,792/686,598,844.14
  6. Step 6: Final answer
    x = 302,886,978.21

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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.