Home / 1,362,890,810.40-2,044,336,215.60-442,860,151.20

Finding the Fourth Proportional to 1,362,890,810.40, 2,044,336,215.60 and 442,860,151.20

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Solution

The fourth proportional to 1,362,890,810.40, 2,044,336,215.60 and 442,860,151.20 is: 664,290,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,890,810.40 : 2,044,336,215.60 = 442,860,151.20 : x
  2. Step 2: Convert to fraction form
    1,362,890,810.40/2,044,336,215.60 = 442,860,151.20/x
  3. Step 3: Cross multiply
    1,362,890,810.40x = 2,044,336,215.60 × 442,860,151.20
  4. Step 4: Simplify right side
    1,362,890,810.40x = 905,355,045,544,251,776
  5. Step 5: Solve for x
    x = 905,355,045,544,251,776/1,362,890,810.40
  6. Step 6: Final answer
    x = 664,290,226.80

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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.