Home / 403,318,410.30-604,977,615.45-399,492,035.10

Finding the Fourth Proportional to 403,318,410.30, 604,977,615.45 and 399,492,035.10

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Solution

The fourth proportional to 403,318,410.30, 604,977,615.45 and 399,492,035.10 is: 599,238,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,318,410.30 : 604,977,615.45 = 399,492,035.10 : x
  2. Step 2: Convert to fraction form
    403,318,410.30/604,977,615.45 = 399,492,035.10/x
  3. Step 3: Cross multiply
    403,318,410.30x = 604,977,615.45 × 399,492,035.10
  4. Step 4: Simplify right side
    403,318,410.30x = 241,683,738,786,065,728
  5. Step 5: Solve for x
    x = 241,683,738,786,065,728/403,318,410.30
  6. Step 6: Final answer
    x = 599,238,052.65

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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.