Home / 405,999,752.36-560,280,072.67-220,360,806.32

Finding the Fourth Proportional to 405,999,752.36, 560,280,072.67 and 220,360,806.32

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Solution

The fourth proportional to 405,999,752.36, 560,280,072.67 and 220,360,806.32 is: 304,098,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,999,752.36 : 560,280,072.67 = 220,360,806.32 : x
  2. Step 2: Convert to fraction form
    405,999,752.36/560,280,072.67 = 220,360,806.32/x
  3. Step 3: Cross multiply
    405,999,752.36x = 560,280,072.67 × 220,360,806.32
  4. Step 4: Simplify right side
    405,999,752.36x = 123,463,768,575,237,088
  5. Step 5: Solve for x
    x = 123,463,768,575,237,088/405,999,752.36
  6. Step 6: Final answer
    x = 304,098,137.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.