Home / 280,182,292.80-419,139,698.40-246,170,068.80

Finding the Fourth Proportional to 280,182,292.80, 419,139,698.40 and 246,170,068.80

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Solution

The fourth proportional to 280,182,292.80, 419,139,698.40 and 246,170,068.80 is: 368,258,990.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,182,292.80 : 419,139,698.40 = 246,170,068.80 : x
  2. Step 2: Convert to fraction form
    280,182,292.80/419,139,698.40 = 246,170,068.80/x
  3. Step 3: Cross multiply
    280,182,292.80x = 419,139,698.40 × 246,170,068.80
  4. Step 4: Simplify right side
    280,182,292.80x = 103,179,648,391,939,248
  5. Step 5: Solve for x
    x = 103,179,648,391,939,248/280,182,292.80
  6. Step 6: Final answer
    x = 368,258,990.82

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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.