Home / 446,672,316.80-670,029,470.40-139,974,435.20

Finding the Fourth Proportional to 446,672,316.80, 670,029,470.40 and 139,974,435.20

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Solution

The fourth proportional to 446,672,316.80, 670,029,470.40 and 139,974,435.20 is: 209,968,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,672,316.80 : 670,029,470.40 = 139,974,435.20 : x
  2. Step 2: Convert to fraction form
    446,672,316.80/670,029,470.40 = 139,974,435.20/x
  3. Step 3: Cross multiply
    446,672,316.80x = 670,029,470.40 × 139,974,435.20
  4. Step 4: Simplify right side
    446,672,316.80x = 93,786,996,686,595,104
  5. Step 5: Solve for x
    x = 93,786,996,686,595,104/446,672,316.80
  6. Step 6: Final answer
    x = 209,968,232.10

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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.