Home / 670,300,690.28-1,005,488,853.98-203,977,311.84

Finding the Fourth Proportional to 670,300,690.28, 1,005,488,853.98 and 203,977,311.84

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Solution

The fourth proportional to 670,300,690.28, 1,005,488,853.98 and 203,977,311.84 is: 305,977,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,300,690.28 : 1,005,488,853.98 = 203,977,311.84 : x
  2. Step 2: Convert to fraction form
    670,300,690.28/1,005,488,853.98 = 203,977,311.84/x
  3. Step 3: Cross multiply
    670,300,690.28x = 1,005,488,853.98 × 203,977,311.84
  4. Step 4: Simplify right side
    670,300,690.28x = 205,096,913,518,902,816
  5. Step 5: Solve for x
    x = 205,096,913,518,902,816/670,300,690.28
  6. Step 6: Final answer
    x = 305,977,476.22

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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.