Home / 1,173,470,626.40-1,760,205,939.60-355,476,639.20

Finding the Fourth Proportional to 1,173,470,626.40, 1,760,205,939.60 and 355,476,639.20

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Solution

The fourth proportional to 1,173,470,626.40, 1,760,205,939.60 and 355,476,639.20 is: 533,214,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,470,626.40 : 1,760,205,939.60 = 355,476,639.20 : x
  2. Step 2: Convert to fraction form
    1,173,470,626.40/1,760,205,939.60 = 355,476,639.20/x
  3. Step 3: Cross multiply
    1,173,470,626.40x = 1,760,205,939.60 × 355,476,639.20
  4. Step 4: Simplify right side
    1,173,470,626.40x = 625,712,091,708,886,144
  5. Step 5: Solve for x
    x = 625,712,091,708,886,144/1,173,470,626.40
  6. Step 6: Final answer
    x = 533,214,958.80

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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.