Home / 786,724,423.26-1,085,651,244.47-434,292,844.38

Finding the Fourth Proportional to 786,724,423.26, 1,085,651,244.47 and 434,292,844.38

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Solution

The fourth proportional to 786,724,423.26, 1,085,651,244.47 and 434,292,844.38 is: 599,308,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,724,423.26 : 1,085,651,244.47 = 434,292,844.38 : x
  2. Step 2: Convert to fraction form
    786,724,423.26/1,085,651,244.47 = 434,292,844.38/x
  3. Step 3: Cross multiply
    786,724,423.26x = 1,085,651,244.47 × 434,292,844.38
  4. Step 4: Simplify right side
    786,724,423.26x = 471,490,566,965,563,072
  5. Step 5: Solve for x
    x = 471,490,566,965,563,072/786,724,423.26
  6. Step 6: Final answer
    x = 599,308,414.77

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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.