Home / 772,129,064.34-1,158,183,487.71-189,868,336.02

Finding the Fourth Proportional to 772,129,064.34, 1,158,183,487.71 and 189,868,336.02

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Solution

The fourth proportional to 772,129,064.34, 1,158,183,487.71 and 189,868,336.02 is: 284,800,018.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,129,064.34 : 1,158,183,487.71 = 189,868,336.02 : x
  2. Step 2: Convert to fraction form
    772,129,064.34/1,158,183,487.71 = 189,868,336.02/x
  3. Step 3: Cross multiply
    772,129,064.34x = 1,158,183,487.71 × 189,868,336.02
  4. Step 4: Simplify right side
    772,129,064.34x = 219,902,371,617,337,824
  5. Step 5: Solve for x
    x = 219,902,371,617,337,824/772,129,064.34
  6. Step 6: Final answer
    x = 284,800,018.25

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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.