Home / 1,362,704,052-2,044,072,459.12-380,070,780.64

Finding the Fourth Proportional to 1,362,704,052, 2,044,072,459.12 and 380,070,780.64

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Solution

The fourth proportional to 1,362,704,052, 2,044,072,459.12 and 380,070,780.64 is: 570,110,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,704,052 : 2,044,072,459.12 = 380,070,780.64 : x
  2. Step 2: Convert to fraction form
    1,362,704,052/2,044,072,459.12 = 380,070,780.64/x
  3. Step 3: Cross multiply
    1,362,704,052x = 2,044,072,459.12 × 380,070,780.64
  4. Step 4: Simplify right side
    1,362,704,052x = 776,892,215,222,462,848
  5. Step 5: Solve for x
    x = 776,892,215,222,462,848/1,362,704,052
  6. Step 6: Final answer
    x = 570,110,739.81

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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.