Home / 775,291,056.64-1,163,453,745.12-402,142,848.64

Finding the Fourth Proportional to 775,291,056.64, 1,163,453,745.12 and 402,142,848.64

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Solution

The fourth proportional to 775,291,056.64, 1,163,453,745.12 and 402,142,848.64 is: 603,482,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,291,056.64 : 1,163,453,745.12 = 402,142,848.64 : x
  2. Step 2: Convert to fraction form
    775,291,056.64/1,163,453,745.12 = 402,142,848.64/x
  3. Step 3: Cross multiply
    775,291,056.64x = 1,163,453,745.12 × 402,142,848.64
  4. Step 4: Simplify right side
    775,291,056.64x = 467,874,603,323,433,216
  5. Step 5: Solve for x
    x = 467,874,603,323,433,216/775,291,056.64
  6. Step 6: Final answer
    x = 603,482,523.52

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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.