Home / 449,163,006.40-673,744,509.60-310,090,801.60

Finding the Fourth Proportional to 449,163,006.40, 673,744,509.60 and 310,090,801.60

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Solution

The fourth proportional to 449,163,006.40, 673,744,509.60 and 310,090,801.60 is: 465,136,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,163,006.40 : 673,744,509.60 = 310,090,801.60 : x
  2. Step 2: Convert to fraction form
    449,163,006.40/673,744,509.60 = 310,090,801.60/x
  3. Step 3: Cross multiply
    449,163,006.40x = 673,744,509.60 × 310,090,801.60
  4. Step 4: Simplify right side
    449,163,006.40x = 208,921,975,055,462,912
  5. Step 5: Solve for x
    x = 208,921,975,055,462,912/449,163,006.40
  6. Step 6: Final answer
    x = 465,136,202.40

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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.