Home / 576,621,801.70-865,026,947.70-188,331,907.30

Finding the Fourth Proportional to 576,621,801.70, 865,026,947.70 and 188,331,907.30

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Solution

The fourth proportional to 576,621,801.70, 865,026,947.70 and 188,331,907.30 is: 282,528,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,621,801.70 : 865,026,947.70 = 188,331,907.30 : x
  2. Step 2: Convert to fraction form
    576,621,801.70/865,026,947.70 = 188,331,907.30/x
  3. Step 3: Cross multiply
    576,621,801.70x = 865,026,947.70 × 188,331,907.30
  4. Step 4: Simplify right side
    576,621,801.70x = 162,912,174,926,238,368
  5. Step 5: Solve for x
    x = 162,912,174,926,238,368/576,621,801.70
  6. Step 6: Final answer
    x = 282,528,642.60

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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.