Home / 1,177,181,674.08-1,624,584,088.45-648,545,550.78

Finding the Fourth Proportional to 1,177,181,674.08, 1,624,584,088.45 and 648,545,550.78

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Solution

The fourth proportional to 1,177,181,674.08, 1,624,584,088.45 and 648,545,550.78 is: 895,033,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,181,674.08 : 1,624,584,088.45 = 648,545,550.78 : x
  2. Step 2: Convert to fraction form
    1,177,181,674.08/1,624,584,088.45 = 648,545,550.78/x
  3. Step 3: Cross multiply
    1,177,181,674.08x = 1,624,584,088.45 × 648,545,550.78
  4. Step 4: Simplify right side
    1,177,181,674.08x = 1,053,616,782,432,229,504
  5. Step 5: Solve for x
    x = 1,053,616,782,432,229,504/1,177,181,674.08
  6. Step 6: Final answer
    x = 895,033,286.39

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Double scale
Find fourth proportional to 1,177,181,675.08, 1,624,584,089.83 and 648,545,551.78
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.