Home / 774,245,054.23-1,068,586,314.54-456,782,913.54

Finding the Fourth Proportional to 774,245,054.23, 1,068,586,314.54 and 456,782,913.54

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Solution

The fourth proportional to 774,245,054.23, 1,068,586,314.54 and 456,782,913.54 is: 630,436,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,245,054.23 : 1,068,586,314.54 = 456,782,913.54 : x
  2. Step 2: Convert to fraction form
    774,245,054.23/1,068,586,314.54 = 456,782,913.54/x
  3. Step 3: Cross multiply
    774,245,054.23x = 1,068,586,314.54 × 456,782,913.54
  4. Step 4: Simplify right side
    774,245,054.23x = 488,111,970,129,656,000
  5. Step 5: Solve for x
    x = 488,111,970,129,656,000/774,245,054.23
  6. Step 6: Final answer
    x = 630,436,019.53

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Double scale
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1.5x scale

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.