Home / 403,318,445.80-604,977,668.70-399,492,070.60

Finding the Fourth Proportional to 403,318,445.80, 604,977,668.70 and 399,492,070.60

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Solution

The fourth proportional to 403,318,445.80, 604,977,668.70 and 399,492,070.60 is: 599,238,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,318,445.80 : 604,977,668.70 = 399,492,070.60 : x
  2. Step 2: Convert to fraction form
    403,318,445.80/604,977,668.70 = 399,492,070.60/x
  3. Step 3: Cross multiply
    403,318,445.80x = 604,977,668.70 × 399,492,070.60
  4. Step 4: Simplify right side
    403,318,445.80x = 241,683,781,535,723,840
  5. Step 5: Solve for x
    x = 241,683,781,535,723,840/403,318,445.80
  6. Step 6: Final answer
    x = 599,238,105.90

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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.