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Finding the Fourth Proportional to 567,476,465.67, 783,117,858.48 and 316,580,858.35

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Solution

The fourth proportional to 567,476,465.67, 783,117,858.48 and 316,580,858.35 is: 436,881,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,476,465.67 : 783,117,858.48 = 316,580,858.35 : x
  2. Step 2: Convert to fraction form
    567,476,465.67/783,117,858.48 = 316,580,858.35/x
  3. Step 3: Cross multiply
    567,476,465.67x = 783,117,858.48 × 316,580,858.35
  4. Step 4: Simplify right side
    567,476,465.67x = 247,920,123,826,812,256
  5. Step 5: Solve for x
    x = 247,920,123,826,812,256/567,476,465.67
  6. Step 6: Final answer
    x = 436,881,771.89

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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.