Home / 990,289,520,163.20-1,366,604,165,754.60-562,600,768,741.76

Finding the Fourth Proportional to 990,289,520,163.20, 1,366,604,165,754.60 and 562,600,768,741.76

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Solution

The fourth proportional to 990,289,520,163.20, 1,366,604,165,754.60 and 562,600,768,741.76 is: 776,391,690,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,289,520,163.20 : 1,366,604,165,754.60 = 562,600,768,741.76 : x
  2. Step 2: Convert to fraction form
    990,289,520,163.20/1,366,604,165,754.60 = 562,600,768,741.76/x
  3. Step 3: Cross multiply
    990,289,520,163.20x = 1,366,604,165,754.60 × 562,600,768,741.76
  4. Step 4: Simplify right side
    990,289,520,163.20x = 768,852,554,219,229,653,499,904
  5. Step 5: Solve for x
    x = 768,852,554,219,229,653,499,904/990,289,520,163.20
  6. Step 6: Final answer
    x = 776,391,690,071.12

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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.