Home / 1,203,800,808,933.40-1,661,245,387,495.80-662,477,530,675.76

Finding the Fourth Proportional to 1,203,800,808,933.40, 1,661,245,387,495.80 and 662,477,530,675.76

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Solution

The fourth proportional to 1,203,800,808,933.40, 1,661,245,387,495.80 and 662,477,530,675.76 is: 914,219,141,561.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,800,808,933.40 : 1,661,245,387,495.80 = 662,477,530,675.76 : x
  2. Step 2: Convert to fraction form
    1,203,800,808,933.40/1,661,245,387,495.80 = 662,477,530,675.76/x
  3. Step 3: Cross multiply
    1,203,800,808,933.40x = 1,661,245,387,495.80 × 662,477,530,675.76
  4. Step 4: Simplify right side
    1,203,800,808,933.40x = 1,100,537,742,154,713,721,208,832
  5. Step 5: Solve for x
    x = 1,100,537,742,154,713,721,208,832/1,203,800,808,933.40
  6. Step 6: Final answer
    x = 914,219,141,561.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.