Home / 786,724,424.26-1,085,651,245.85-434,292,845.38

Finding the Fourth Proportional to 786,724,424.26, 1,085,651,245.85 and 434,292,845.38

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Solution

The fourth proportional to 786,724,424.26, 1,085,651,245.85 and 434,292,845.38 is: 599,308,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,724,424.26 : 1,085,651,245.85 = 434,292,845.38 : x
  2. Step 2: Convert to fraction form
    786,724,424.26/1,085,651,245.85 = 434,292,845.38/x
  3. Step 3: Cross multiply
    786,724,424.26x = 1,085,651,245.85 × 434,292,845.38
  4. Step 4: Simplify right side
    786,724,424.26x = 471,490,568,650,538,368
  5. Step 5: Solve for x
    x = 471,490,568,650,538,368/786,724,424.26
  6. Step 6: Final answer
    x = 599,308,416.15

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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.