Home / 713,205,563.87-1,069,816,580.84-215,220,390.89

Finding the Fourth Proportional to 713,205,563.87, 1,069,816,580.84 and 215,220,390.89

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Solution

The fourth proportional to 713,205,563.87, 1,069,816,580.84 and 215,220,390.89 is: 322,833,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,205,563.87 : 1,069,816,580.84 = 215,220,390.89 : x
  2. Step 2: Convert to fraction form
    713,205,563.87/1,069,816,580.84 = 215,220,390.89/x
  3. Step 3: Cross multiply
    713,205,563.87x = 1,069,816,580.84 × 215,220,390.89
  4. Step 4: Simplify right side
    713,205,563.87x = 230,246,342,710,586,560
  5. Step 5: Solve for x
    x = 230,246,342,710,586,560/713,205,563.87
  6. Step 6: Final answer
    x = 322,833,071.38

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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.