Home / 1,178,234,340-1,767,360,367.35-523,009,216.55

Finding the Fourth Proportional to 1,178,234,340, 1,767,360,367.35 and 523,009,216.55

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Solution

The fourth proportional to 1,178,234,340, 1,767,360,367.35 and 523,009,216.55 is: 784,517,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,234,340 : 1,767,360,367.35 = 523,009,216.55 : x
  2. Step 2: Convert to fraction form
    1,178,234,340/1,767,360,367.35 = 523,009,216.55/x
  3. Step 3: Cross multiply
    1,178,234,340x = 1,767,360,367.35 × 523,009,216.55
  4. Step 4: Simplify right side
    1,178,234,340x = 924,345,761,080,406,912
  5. Step 5: Solve for x
    x = 924,345,761,080,406,912/1,178,234,340
  6. Step 6: Final answer
    x = 784,517,756.53

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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.