Home / 1,047,743,878.60-1,571,347,750.02-310,641,422.68

Finding the Fourth Proportional to 1,047,743,878.60, 1,571,347,750.02 and 310,641,422.68

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Solution

The fourth proportional to 1,047,743,878.60, 1,571,347,750.02 and 310,641,422.68 is: 465,882,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,743,878.60 : 1,571,347,750.02 = 310,641,422.68 : x
  2. Step 2: Convert to fraction form
    1,047,743,878.60/1,571,347,750.02 = 310,641,422.68/x
  3. Step 3: Cross multiply
    1,047,743,878.60x = 1,571,347,750.02 × 310,641,422.68
  4. Step 4: Simplify right side
    1,047,743,878.60x = 488,125,700,591,229,824
  5. Step 5: Solve for x
    x = 488,125,700,591,229,824/1,047,743,878.60
  6. Step 6: Final answer
    x = 465,882,655.64

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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.