Home / 674,007,271.80-1,011,010,907.70-163,404,007.80

Finding the Fourth Proportional to 674,007,271.80, 1,011,010,907.70 and 163,404,007.80

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Solution

The fourth proportional to 674,007,271.80, 1,011,010,907.70 and 163,404,007.80 is: 245,106,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,007,271.80 : 1,011,010,907.70 = 163,404,007.80 : x
  2. Step 2: Convert to fraction form
    674,007,271.80/1,011,010,907.70 = 163,404,007.80/x
  3. Step 3: Cross multiply
    674,007,271.80x = 1,011,010,907.70 × 163,404,007.80
  4. Step 4: Simplify right side
    674,007,271.80x = 165,203,234,247,695,904
  5. Step 5: Solve for x
    x = 165,203,234,247,695,904/674,007,271.80
  6. Step 6: Final answer
    x = 245,106,011.70

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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.