Home / 774,245,056.21-1,068,586,317.26-456,782,915.52

Finding the Fourth Proportional to 774,245,056.21, 1,068,586,317.26 and 456,782,915.52

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Solution

The fourth proportional to 774,245,056.21, 1,068,586,317.26 and 456,782,915.52 is: 630,436,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,245,056.21 : 1,068,586,317.26 = 456,782,915.52 : x
  2. Step 2: Convert to fraction form
    774,245,056.21/1,068,586,317.26 = 456,782,915.52/x
  3. Step 3: Cross multiply
    774,245,056.21x = 1,068,586,317.26 × 456,782,915.52
  4. Step 4: Simplify right side
    774,245,056.21x = 488,111,973,482,208,640
  5. Step 5: Solve for x
    x = 488,111,973,482,208,640/774,245,056.21
  6. Step 6: Final answer
    x = 630,436,022.25

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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.