Home / 879,746,899.60-1,319,284,426.20-266,127,187.60

Finding the Fourth Proportional to 879,746,899.60, 1,319,284,426.20 and 266,127,187.60

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Solution

The fourth proportional to 879,746,899.60, 1,319,284,426.20 and 266,127,187.60 is: 399,089,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,746,899.60 : 1,319,284,426.20 = 266,127,187.60 : x
  2. Step 2: Convert to fraction form
    879,746,899.60/1,319,284,426.20 = 266,127,187.60/x
  3. Step 3: Cross multiply
    879,746,899.60x = 1,319,284,426.20 × 266,127,187.60
  4. Step 4: Simplify right side
    879,746,899.60x = 351,097,453,989,085,760
  5. Step 5: Solve for x
    x = 351,097,453,989,085,760/879,746,899.60
  6. Step 6: Final answer
    x = 399,089,163.20

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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.