Home / 1,045,403,897.79-1,568,149,138.35-308,473,777.47

Finding the Fourth Proportional to 1,045,403,897.79, 1,568,149,138.35 and 308,473,777.47

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Solution

The fourth proportional to 1,045,403,897.79, 1,568,149,138.35 and 308,473,777.47 is: 462,723,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,403,897.79 : 1,568,149,138.35 = 308,473,777.47 : x
  2. Step 2: Convert to fraction form
    1,045,403,897.79/1,568,149,138.35 = 308,473,777.47/x
  3. Step 3: Cross multiply
    1,045,403,897.79x = 1,568,149,138.35 × 308,473,777.47
  4. Step 4: Simplify right side
    1,045,403,897.79x = 483,732,888,343,150,144
  5. Step 5: Solve for x
    x = 483,732,888,343,150,144/1,045,403,897.79
  6. Step 6: Final answer
    x = 462,723,440.54

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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.