Home / 1,980,584,573.40-2,970,876,860.10-892,193,405.40

Finding the Fourth Proportional to 1,980,584,573.40, 2,970,876,860.10 and 892,193,405.40

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Solution

The fourth proportional to 1,980,584,573.40, 2,970,876,860.10 and 892,193,405.40 is: 1,338,290,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,584,573.40 : 2,970,876,860.10 = 892,193,405.40 : x
  2. Step 2: Convert to fraction form
    1,980,584,573.40/2,970,876,860.10 = 892,193,405.40/x
  3. Step 3: Cross multiply
    1,980,584,573.40x = 2,970,876,860.10 × 892,193,405.40
  4. Step 4: Simplify right side
    1,980,584,573.40x = 2,650,596,742,836,678,144
  5. Step 5: Solve for x
    x = 2,650,596,742,836,678,144/1,980,584,573.40
  6. Step 6: Final answer
    x = 1,338,290,108.10

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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.