Home / 466,271,980.41-643,511,756.70-265,377,699.45

Finding the Fourth Proportional to 466,271,980.41, 643,511,756.70 and 265,377,699.45

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Solution

The fourth proportional to 466,271,980.41, 643,511,756.70 and 265,377,699.45 is: 366,253,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,271,980.41 : 643,511,756.70 = 265,377,699.45 : x
  2. Step 2: Convert to fraction form
    466,271,980.41/643,511,756.70 = 265,377,699.45/x
  3. Step 3: Cross multiply
    466,271,980.41x = 643,511,756.70 × 265,377,699.45
  4. Step 4: Simplify right side
    466,271,980.41x = 170,773,669,562,074,144
  5. Step 5: Solve for x
    x = 170,773,669,562,074,144/466,271,980.41
  6. Step 6: Final answer
    x = 366,253,338.69

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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.