Home / 457,033,063.57-685,333,482.03-177,045,111.32

Finding the Fourth Proportional to 457,033,063.57, 685,333,482.03 and 177,045,111.32

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Solution

The fourth proportional to 457,033,063.57, 685,333,482.03 and 177,045,111.32 is: 265,483,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,033,063.57 : 685,333,482.03 = 177,045,111.32 : x
  2. Step 2: Convert to fraction form
    457,033,063.57/685,333,482.03 = 177,045,111.32/x
  3. Step 3: Cross multiply
    457,033,063.57x = 685,333,482.03 × 177,045,111.32
  4. Step 4: Simplify right side
    457,033,063.57x = 121,334,942,613,897,888
  5. Step 5: Solve for x
    x = 121,334,942,613,897,888/457,033,063.57
  6. Step 6: Final answer
    x = 265,483,949.16

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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.