Home / 525,101,566.59-724,639,922.28-290,150,172.09

Finding the Fourth Proportional to 525,101,566.59, 724,639,922.28 and 290,150,172.09

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Solution

The fourth proportional to 525,101,566.59, 724,639,922.28 and 290,150,172.09 is: 400,407,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101,566.59 : 724,639,922.28 = 290,150,172.09 : x
  2. Step 2: Convert to fraction form
    525,101,566.59/724,639,922.28 = 290,150,172.09/x
  3. Step 3: Cross multiply
    525,101,566.59x = 724,639,922.28 × 290,150,172.09
  4. Step 4: Simplify right side
    525,101,566.59x = 210,254,398,152,826,208
  5. Step 5: Solve for x
    x = 210,254,398,152,826,208/525,101,566.59
  6. Step 6: Final answer
    x = 400,407,105.08

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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.