Home / 407,085,703.35-610,886,826.32-173,918,172.01

Finding the Fourth Proportional to 407,085,703.35, 610,886,826.32 and 173,918,172.01

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Solution

The fourth proportional to 407,085,703.35, 610,886,826.32 and 173,918,172.01 is: 260,987,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,085,703.35 : 610,886,826.32 = 173,918,172.01 : x
  2. Step 2: Convert to fraction form
    407,085,703.35/610,886,826.32 = 173,918,172.01/x
  3. Step 3: Cross multiply
    407,085,703.35x = 610,886,826.32 × 173,918,172.01
  4. Step 4: Simplify right side
    407,085,703.35x = 106,244,320,138,564,752
  5. Step 5: Solve for x
    x = 106,244,320,138,564,752/407,085,703.35
  6. Step 6: Final answer
    x = 260,987,598.59

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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.