Home / 355,086,985,400.08-532,630,467,806.64-163,802,428,112.32

Finding the Fourth Proportional to 355,086,985,400.08, 532,630,467,806.64 and 163,802,428,112.32

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Solution

The fourth proportional to 355,086,985,400.08, 532,630,467,806.64 and 163,802,428,112.32 is: 245,703,637,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,086,985,400.08 : 532,630,467,806.64 = 163,802,428,112.32 : x
  2. Step 2: Convert to fraction form
    355,086,985,400.08/532,630,467,806.64 = 163,802,428,112.32/x
  3. Step 3: Cross multiply
    355,086,985,400.08x = 532,630,467,806.64 × 163,802,428,112.32
  4. Step 4: Simplify right side
    355,086,985,400.08x = 87,246,163,913,328,522,428,416
  5. Step 5: Solve for x
    x = 87,246,163,913,328,522,428,416/355,086,985,400.08
  6. Step 6: Final answer
    x = 245,703,637,420.07

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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.