Home / 1,163,853,951.89-1,746,010,907.28-426,930,698.75

Finding the Fourth Proportional to 1,163,853,951.89, 1,746,010,907.28 and 426,930,698.75

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Solution

The fourth proportional to 1,163,853,951.89, 1,746,010,907.28 and 426,930,698.75 is: 640,480,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,853,951.89 : 1,746,010,907.28 = 426,930,698.75 : x
  2. Step 2: Convert to fraction form
    1,163,853,951.89/1,746,010,907.28 = 426,930,698.75/x
  3. Step 3: Cross multiply
    1,163,853,951.89x = 1,746,010,907.28 × 426,930,698.75
  4. Step 4: Simplify right side
    1,163,853,951.89x = 745,425,656,661,441,792
  5. Step 5: Solve for x
    x = 745,425,656,661,441,792/1,163,853,951.89
  6. Step 6: Final answer
    x = 640,480,410.32

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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.