Home / 507,093,402.78-700,445,331.83-419,341,864.86

Finding the Fourth Proportional to 507,093,402.78, 700,445,331.83 and 419,341,864.86

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Solution

The fourth proportional to 507,093,402.78, 700,445,331.83 and 419,341,864.86 is: 579,234,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,093,402.78 : 700,445,331.83 = 419,341,864.86 : x
  2. Step 2: Convert to fraction form
    507,093,402.78/700,445,331.83 = 419,341,864.86/x
  3. Step 3: Cross multiply
    507,093,402.78x = 700,445,331.83 × 419,341,864.86
  4. Step 4: Simplify right side
    507,093,402.78x = 293,726,051,683,113,664
  5. Step 5: Solve for x
    x = 293,726,051,683,113,664/507,093,402.78
  6. Step 6: Final answer
    x = 579,234,614.52

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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.