Home / 1,629,269,341.60-2,443,904,012.40-402,437,793.10

Finding the Fourth Proportional to 1,629,269,341.60, 2,443,904,012.40 and 402,437,793.10

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Solution

The fourth proportional to 1,629,269,341.60, 2,443,904,012.40 and 402,437,793.10 is: 603,656,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,269,341.60 : 2,443,904,012.40 = 402,437,793.10 : x
  2. Step 2: Convert to fraction form
    1,629,269,341.60/2,443,904,012.40 = 402,437,793.10/x
  3. Step 3: Cross multiply
    1,629,269,341.60x = 2,443,904,012.40 × 402,437,793.10
  4. Step 4: Simplify right side
    1,629,269,341.60x = 983,519,337,298,491,136
  5. Step 5: Solve for x
    x = 983,519,337,298,491,136/1,629,269,341.60
  6. Step 6: Final answer
    x = 603,656,689.65

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Double scale
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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.