Home / 525,293,554.44-724,892,460.84-287,128,051.56

Finding the Fourth Proportional to 525,293,554.44, 724,892,460.84 and 287,128,051.56

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Solution

The fourth proportional to 525,293,554.44, 724,892,460.84 and 287,128,051.56 is: 396,229,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,293,554.44 : 724,892,460.84 = 287,128,051.56 : x
  2. Step 2: Convert to fraction form
    525,293,554.44/724,892,460.84 = 287,128,051.56/x
  3. Step 3: Cross multiply
    525,293,554.44x = 724,892,460.84 × 287,128,051.56
  4. Step 4: Simplify right side
    525,293,554.44x = 208,136,959,871,522,816
  5. Step 5: Solve for x
    x = 208,136,959,871,522,816/525,293,554.44
  6. Step 6: Final answer
    x = 396,229,799.72

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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.