Home / 837,691,249.23-1,155,999,820.41-461,382,879.89

Finding the Fourth Proportional to 837,691,249.23, 1,155,999,820.41 and 461,382,879.89

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Solution

The fourth proportional to 837,691,249.23, 1,155,999,820.41 and 461,382,879.89 is: 636,700,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,691,249.23 : 1,155,999,820.41 = 461,382,879.89 : x
  2. Step 2: Convert to fraction form
    837,691,249.23/1,155,999,820.41 = 461,382,879.89/x
  3. Step 3: Cross multiply
    837,691,249.23x = 1,155,999,820.41 × 461,382,879.89
  4. Step 4: Simplify right side
    837,691,249.23x = 533,358,526,296,001,792
  5. Step 5: Solve for x
    x = 533,358,526,296,001,792/837,691,249.23
  6. Step 6: Final answer
    x = 636,700,606.32

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1.5x scale

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.