Home / 364,477,018.60-502,792,985.06-221,384,703.80

Finding the Fourth Proportional to 364,477,018.60, 502,792,985.06 and 221,384,703.80

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Solution

The fourth proportional to 364,477,018.60, 502,792,985.06 and 221,384,703.80 is: 305,398,338.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,477,018.60 : 502,792,985.06 = 221,384,703.80 : x
  2. Step 2: Convert to fraction form
    364,477,018.60/502,792,985.06 = 221,384,703.80/x
  3. Step 3: Cross multiply
    364,477,018.60x = 502,792,985.06 × 221,384,703.80
  4. Step 4: Simplify right side
    364,477,018.60x = 111,310,676,069,478,976
  5. Step 5: Solve for x
    x = 111,310,676,069,478,976/364,477,018.60
  6. Step 6: Final answer
    x = 305,398,338.96

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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.