Home / 1,047,780,540.02-1,571,670,811.42-425,850,059.95

Finding the Fourth Proportional to 1,047,780,540.02, 1,571,670,811.42 and 425,850,059.95

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Solution

The fourth proportional to 1,047,780,540.02, 1,571,670,811.42 and 425,850,059.95 is: 638,775,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,780,540.02 : 1,571,670,811.42 = 425,850,059.95 : x
  2. Step 2: Convert to fraction form
    1,047,780,540.02/1,571,670,811.42 = 425,850,059.95/x
  3. Step 3: Cross multiply
    1,047,780,540.02x = 1,571,670,811.42 × 425,850,059.95
  4. Step 4: Simplify right side
    1,047,780,540.02x = 669,296,109,259,878,272
  5. Step 5: Solve for x
    x = 669,296,109,259,878,272/1,047,780,540.02
  6. Step 6: Final answer
    x = 638,775,090.48

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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.