Home / 465,971,292.34-643,054,049.61-254,291,790.49

Finding the Fourth Proportional to 465,971,292.34, 643,054,049.61 and 254,291,790.49

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Solution

The fourth proportional to 465,971,292.34, 643,054,049.61 and 254,291,790.49 is: 350,930,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,971,292.34 : 643,054,049.61 = 254,291,790.49 : x
  2. Step 2: Convert to fraction form
    465,971,292.34/643,054,049.61 = 254,291,790.49/x
  3. Step 3: Cross multiply
    465,971,292.34x = 643,054,049.61 × 254,291,790.49
  4. Step 4: Simplify right side
    465,971,292.34x = 163,523,365,657,172,192
  5. Step 5: Solve for x
    x = 163,523,365,657,172,192/465,971,292.34
  6. Step 6: Final answer
    x = 350,930,128.84

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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.