Home / 4,466,128,442.40-6,699,920,365.44-1,318,661,216.64

Finding the Fourth Proportional to 4,466,128,442.40, 6,699,920,365.44 and 1,318,661,216.64

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Solution

The fourth proportional to 4,466,128,442.40, 6,699,920,365.44 and 1,318,661,216.64 is: 1,978,206,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,466,128,442.40 : 6,699,920,365.44 = 1,318,661,216.64 : x
  2. Step 2: Convert to fraction form
    4,466,128,442.40/6,699,920,365.44 = 1,318,661,216.64/x
  3. Step 3: Cross multiply
    4,466,128,442.40x = 6,699,920,365.44 × 1,318,661,216.64
  4. Step 4: Simplify right side
    4,466,128,442.40x = 8,834,925,140,482,224,128
  5. Step 5: Solve for x
    x = 8,834,925,140,482,224,128/4,466,128,442.40
  6. Step 6: Final answer
    x = 1,978,206,684.92

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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.