Home / 780,748,924.30-1,171,080,278.95-570,874,680.76

Finding the Fourth Proportional to 780,748,924.30, 1,171,080,278.95 and 570,874,680.76

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Solution

The fourth proportional to 780,748,924.30, 1,171,080,278.95 and 570,874,680.76 is: 856,280,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,748,924.30 : 1,171,080,278.95 = 570,874,680.76 : x
  2. Step 2: Convert to fraction form
    780,748,924.30/1,171,080,278.95 = 570,874,680.76/x
  3. Step 3: Cross multiply
    780,748,924.30x = 1,171,080,278.95 × 570,874,680.76
  4. Step 4: Simplify right side
    780,748,924.30x = 668,540,080,385,558,144
  5. Step 5: Solve for x
    x = 668,540,080,385,558,144/780,748,924.30
  6. Step 6: Final answer
    x = 856,280,501.43

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1.5x scale

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.