Home / 983,366,557.20-1,476,099,933.84-423,405,779.76

Finding the Fourth Proportional to 983,366,557.20, 1,476,099,933.84 and 423,405,779.76

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Solution

The fourth proportional to 983,366,557.20, 1,476,099,933.84 and 423,405,779.76 is: 635,560,807.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,366,557.20 : 1,476,099,933.84 = 423,405,779.76 : x
  2. Step 2: Convert to fraction form
    983,366,557.20/1,476,099,933.84 = 423,405,779.76/x
  3. Step 3: Cross multiply
    983,366,557.20x = 1,476,099,933.84 × 423,405,779.76
  4. Step 4: Simplify right side
    983,366,557.20x = 624,989,243,491,209,600
  5. Step 5: Solve for x
    x = 624,989,243,491,209,600/983,366,557.20
  6. Step 6: Final answer
    x = 635,560,807.83

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Double scale
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1.5x scale

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.