Home / 877,771,736.10-1,211,278,458.65-501,354,404.96

Finding the Fourth Proportional to 877,771,736.10, 1,211,278,458.65 and 501,354,404.96

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Solution

The fourth proportional to 877,771,736.10, 1,211,278,458.65 and 501,354,404.96 is: 691,842,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,771,736.10 : 1,211,278,458.65 = 501,354,404.96 : x
  2. Step 2: Convert to fraction form
    877,771,736.10/1,211,278,458.65 = 501,354,404.96/x
  3. Step 3: Cross multiply
    877,771,736.10x = 1,211,278,458.65 × 501,354,404.96
  4. Step 4: Simplify right side
    877,771,736.10x = 607,279,790,868,773,504
  5. Step 5: Solve for x
    x = 607,279,790,868,773,504/877,771,736.10
  6. Step 6: Final answer
    x = 691,842,498.33

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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.