Home / 780,748,922.58-1,171,080,276.36-570,874,679.04

Finding the Fourth Proportional to 780,748,922.58, 1,171,080,276.36 and 570,874,679.04

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Solution

The fourth proportional to 780,748,922.58, 1,171,080,276.36 and 570,874,679.04 is: 856,280,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,748,922.58 : 1,171,080,276.36 = 570,874,679.04 : x
  2. Step 2: Convert to fraction form
    780,748,922.58/1,171,080,276.36 = 570,874,679.04/x
  3. Step 3: Cross multiply
    780,748,922.58x = 1,171,080,276.36 × 570,874,679.04
  4. Step 4: Simplify right side
    780,748,922.58x = 668,540,076,897,089,408
  5. Step 5: Solve for x
    x = 668,540,076,897,089,408/780,748,922.58
  6. Step 6: Final answer
    x = 856,280,498.84

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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.