Home / 1,090,152,806.70-1,635,441,786.45-468,366,836.70

Finding the Fourth Proportional to 1,090,152,806.70, 1,635,441,786.45 and 468,366,836.70

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Solution

The fourth proportional to 1,090,152,806.70, 1,635,441,786.45 and 468,366,836.70 is: 702,641,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,152,806.70 : 1,635,441,786.45 = 468,366,836.70 : x
  2. Step 2: Convert to fraction form
    1,090,152,806.70/1,635,441,786.45 = 468,366,836.70/x
  3. Step 3: Cross multiply
    1,090,152,806.70x = 1,635,441,786.45 × 468,366,836.70
  4. Step 4: Simplify right side
    1,090,152,806.70x = 765,986,696,126,583,424
  5. Step 5: Solve for x
    x = 765,986,696,126,583,424/1,090,152,806.70
  6. Step 6: Final answer
    x = 702,641,585.12

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Double scale
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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.