Home / 618,518,630.40-927,777,945.60-273,294,556.80

Finding the Fourth Proportional to 618,518,630.40, 927,777,945.60 and 273,294,556.80

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Solution

The fourth proportional to 618,518,630.40, 927,777,945.60 and 273,294,556.80 is: 409,941,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,518,630.40 : 927,777,945.60 = 273,294,556.80 : x
  2. Step 2: Convert to fraction form
    618,518,630.40/927,777,945.60 = 273,294,556.80/x
  3. Step 3: Cross multiply
    618,518,630.40x = 927,777,945.60 × 273,294,556.80
  4. Step 4: Simplify right side
    618,518,630.40x = 253,556,662,451,566,528
  5. Step 5: Solve for x
    x = 253,556,662,451,566,528/618,518,630.40
  6. Step 6: Final answer
    x = 409,941,835.20

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1.5x scale

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.