Home / 1,420,559,212,219.40-2,130,731,647,280.80-452,428,530,923.68

Finding the Fourth Proportional to 1,420,559,212,219.40, 2,130,731,647,280.80 and 452,428,530,923.68

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Solution

The fourth proportional to 1,420,559,212,219.40, 2,130,731,647,280.80 and 452,428,530,923.68 is: 678,608,663,883.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,559,212,219.40 : 2,130,731,647,280.80 = 452,428,530,923.68 : x
  2. Step 2: Convert to fraction form
    1,420,559,212,219.40/2,130,731,647,280.80 = 452,428,530,923.68/x
  3. Step 3: Cross multiply
    1,420,559,212,219.40x = 2,130,731,647,280.80 × 452,428,530,923.68
  4. Step 4: Simplify right side
    1,420,559,212,219.40x = 964,003,788,971,845,005,344,768
  5. Step 5: Solve for x
    x = 964,003,788,971,845,005,344,768/1,420,559,212,219.40
  6. Step 6: Final answer
    x = 678,608,663,883.67

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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.