Home / 746,498,085.60-1,119,747,128.40-658,822,130.40

Finding the Fourth Proportional to 746,498,085.60, 1,119,747,128.40 and 658,822,130.40

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Solution

The fourth proportional to 746,498,085.60, 1,119,747,128.40 and 658,822,130.40 is: 988,233,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,498,085.60 : 1,119,747,128.40 = 658,822,130.40 : x
  2. Step 2: Convert to fraction form
    746,498,085.60/1,119,747,128.40 = 658,822,130.40/x
  3. Step 3: Cross multiply
    746,498,085.60x = 1,119,747,128.40 × 658,822,130.40
  4. Step 4: Simplify right side
    746,498,085.60x = 737,714,188,641,770,368
  5. Step 5: Solve for x
    x = 737,714,188,641,770,368/746,498,085.60
  6. Step 6: Final answer
    x = 988,233,195.60

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1.5x scale

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.