Home / 525,039,486.88-724,569,101.52-290,105,285.92

Finding the Fourth Proportional to 525,039,486.88, 724,569,101.52 and 290,105,285.92

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Solution

The fourth proportional to 525,039,486.88, 724,569,101.52 and 290,105,285.92 is: 400,353,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,039,486.88 : 724,569,101.52 = 290,105,285.92 : x
  2. Step 2: Convert to fraction form
    525,039,486.88/724,569,101.52 = 290,105,285.92/x
  3. Step 3: Cross multiply
    525,039,486.88x = 724,569,101.52 × 290,105,285.92
  4. Step 4: Simplify right side
    525,039,486.88x = 210,201,326,365,257,120
  5. Step 5: Solve for x
    x = 210,201,326,365,257,120/525,039,486.88
  6. Step 6: Final answer
    x = 400,353,366.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.