Home / 933,351,143.04-1,288,038,090.24-515,673,043.20

Finding the Fourth Proportional to 933,351,143.04, 1,288,038,090.24 and 515,673,043.20

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Solution

The fourth proportional to 933,351,143.04, 1,288,038,090.24 and 515,673,043.20 is: 711,636,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,351,143.04 : 1,288,038,090.24 = 515,673,043.20 : x
  2. Step 2: Convert to fraction form
    933,351,143.04/1,288,038,090.24 = 515,673,043.20/x
  3. Step 3: Cross multiply
    933,351,143.04x = 1,288,038,090.24 × 515,673,043.20
  4. Step 4: Simplify right side
    933,351,143.04x = 664,206,521,751,576,960
  5. Step 5: Solve for x
    x = 664,206,521,751,576,960/933,351,143.04
  6. Step 6: Final answer
    x = 711,636,265.41

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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.