Home / 525,761,199.12-725,501,763.72-290,806,802.96

Finding the Fourth Proportional to 525,761,199.12, 725,501,763.72 and 290,806,802.96

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Solution

The fourth proportional to 525,761,199.12, 725,501,763.72 and 290,806,802.96 is: 401,286,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,761,199.12 : 725,501,763.72 = 290,806,802.96 : x
  2. Step 2: Convert to fraction form
    525,761,199.12/725,501,763.72 = 290,806,802.96/x
  3. Step 3: Cross multiply
    525,761,199.12x = 725,501,763.72 × 290,806,802.96
  4. Step 4: Simplify right side
    525,761,199.12x = 210,980,848,449,254,496
  5. Step 5: Solve for x
    x = 210,980,848,449,254,496/525,761,199.12
  6. Step 6: Final answer
    x = 401,286,456.29

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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.