Home / 308,645,208.12-464,815,420.68-281,095,306.68

Finding the Fourth Proportional to 308,645,208.12, 464,815,420.68 and 281,095,306.68

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Solution

The fourth proportional to 308,645,208.12, 464,815,420.68 and 281,095,306.68 is: 423,325,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,645,208.12 : 464,815,420.68 = 281,095,306.68 : x
  2. Step 2: Convert to fraction form
    308,645,208.12/464,815,420.68 = 281,095,306.68/x
  3. Step 3: Cross multiply
    308,645,208.12x = 464,815,420.68 × 281,095,306.68
  4. Step 4: Simplify right side
    308,645,208.12x = 130,657,433,224,232,352
  5. Step 5: Solve for x
    x = 130,657,433,224,232,352/308,645,208.12
  6. Step 6: Final answer
    x = 423,325,649.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.