Home / 853,818,924,715.25-1,280,683,280,606.90-280,059,459,998.10

Finding the Fourth Proportional to 853,818,924,715.25, 1,280,683,280,606.90 and 280,059,459,998.10

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Solution

The fourth proportional to 853,818,924,715.25, 1,280,683,280,606.90 and 280,059,459,998.10 is: 420,074,394,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,818,924,715.25 : 1,280,683,280,606.90 = 280,059,459,998.10 : x
  2. Step 2: Convert to fraction form
    853,818,924,715.25/1,280,683,280,606.90 = 280,059,459,998.10/x
  3. Step 3: Cross multiply
    853,818,924,715.25x = 1,280,683,280,606.90 × 280,059,459,998.10
  4. Step 4: Simplify right side
    853,818,924,715.25x = 358,667,467,995,363,512,680,448
  5. Step 5: Solve for x
    x = 358,667,467,995,363,512,680,448/853,818,924,715.25
  6. Step 6: Final answer
    x = 420,074,394,714.29

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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.