Home / 313,896,131.12-470,413,729.40-198,674,998.40

Finding the Fourth Proportional to 313,896,131.12, 470,413,729.40 and 198,674,998.40

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Solution

The fourth proportional to 313,896,131.12, 470,413,729.40 and 198,674,998.40 is: 297,740,040.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,896,131.12 : 470,413,729.40 = 198,674,998.40 : x
  2. Step 2: Convert to fraction form
    313,896,131.12/470,413,729.40 = 198,674,998.40/x
  3. Step 3: Cross multiply
    313,896,131.12x = 470,413,729.40 × 198,674,998.40
  4. Step 4: Simplify right side
    313,896,131.12x = 93,459,446,932,537,584
  5. Step 5: Solve for x
    x = 93,459,446,932,537,584/313,896,131.12
  6. Step 6: Final answer
    x = 297,740,040.95

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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.