Home / 907,550,800.40-1,361,326,200.60-261,383,862.80

Finding the Fourth Proportional to 907,550,800.40, 1,361,326,200.60 and 261,383,862.80

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Solution

The fourth proportional to 907,550,800.40, 1,361,326,200.60 and 261,383,862.80 is: 392,075,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,550,800.40 : 1,361,326,200.60 = 261,383,862.80 : x
  2. Step 2: Convert to fraction form
    907,550,800.40/1,361,326,200.60 = 261,383,862.80/x
  3. Step 3: Cross multiply
    907,550,800.40x = 1,361,326,200.60 × 261,383,862.80
  4. Step 4: Simplify right side
    907,550,800.40x = 355,828,700,843,675,648
  5. Step 5: Solve for x
    x = 355,828,700,843,675,648/907,550,800.40
  6. Step 6: Final answer
    x = 392,075,794.20

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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.