Home / 666,020,514,349.68-997,310,212,298.40-459,664,403,553.84

Finding the Fourth Proportional to 666,020,514,349.68, 997,310,212,298.40 and 459,664,403,553.84

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Solution

The fourth proportional to 666,020,514,349.68, 997,310,212,298.40 and 459,664,403,553.84 is: 688,309,134,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,020,514,349.68 : 997,310,212,298.40 = 459,664,403,553.84 : x
  2. Step 2: Convert to fraction form
    666,020,514,349.68/997,310,212,298.40 = 459,664,403,553.84/x
  3. Step 3: Cross multiply
    666,020,514,349.68x = 997,310,212,298.40 × 459,664,403,553.84
  4. Step 4: Simplify right side
    666,020,514,349.68x = 458,428,003,894,297,624,576,000
  5. Step 5: Solve for x
    x = 458,428,003,894,297,624,576,000/666,020,514,349.68
  6. Step 6: Final answer
    x = 688,309,134,654.69

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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.