Home / 780,748,925.80-1,171,080,281.20-570,874,682.26

Finding the Fourth Proportional to 780,748,925.80, 1,171,080,281.20 and 570,874,682.26

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Solution

The fourth proportional to 780,748,925.80, 1,171,080,281.20 and 570,874,682.26 is: 856,280,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,748,925.80 : 1,171,080,281.20 = 570,874,682.26 : x
  2. Step 2: Convert to fraction form
    780,748,925.80/1,171,080,281.20 = 570,874,682.26/x
  3. Step 3: Cross multiply
    780,748,925.80x = 1,171,080,281.20 × 570,874,682.26
  4. Step 4: Simplify right side
    780,748,925.80x = 668,540,083,431,001,472
  5. Step 5: Solve for x
    x = 668,540,083,431,001,472/780,748,925.80
  6. Step 6: Final answer
    x = 856,280,503.68

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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.