Home / 446,671,888.80-670,028,828.40-139,974,007.20

Finding the Fourth Proportional to 446,671,888.80, 670,028,828.40 and 139,974,007.20

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Solution

The fourth proportional to 446,671,888.80, 670,028,828.40 and 139,974,007.20 is: 209,967,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,671,888.80 : 670,028,828.40 = 139,974,007.20 : x
  2. Step 2: Convert to fraction form
    446,671,888.80/670,028,828.40 = 139,974,007.20/x
  3. Step 3: Cross multiply
    446,671,888.80x = 670,028,828.40 × 139,974,007.20
  4. Step 4: Simplify right side
    446,671,888.80x = 93,786,620,050,669,152
  5. Step 5: Solve for x
    x = 93,786,620,050,669,152/446,671,888.80
  6. Step 6: Final answer
    x = 209,967,590.09

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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.