Home / 1,090,494,930,866.40-1,634,968,429,246.80-419,465,496,088.80

Finding the Fourth Proportional to 1,090,494,930,866.40, 1,634,968,429,246.80 and 419,465,496,088.80

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Solution

The fourth proportional to 1,090,494,930,866.40, 1,634,968,429,246.80 and 419,465,496,088.80 is: 628,900,533,007.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,494,930,866.40 : 1,634,968,429,246.80 = 419,465,496,088.80 : x
  2. Step 2: Convert to fraction form
    1,090,494,930,866.40/1,634,968,429,246.80 = 419,465,496,088.80/x
  3. Step 3: Cross multiply
    1,090,494,930,866.40x = 1,634,968,429,246.80 × 419,465,496,088.80
  4. Step 4: Simplify right side
    1,090,494,930,866.40x = 685,812,843,263,535,083,421,696
  5. Step 5: Solve for x
    x = 685,812,843,263,535,083,421,696/1,090,494,930,866.40
  6. Step 6: Final answer
    x = 628,900,533,007.21

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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.