Home / 730,307,478.08-1,007,848,692.86-400,283,462.72

Finding the Fourth Proportional to 730,307,478.08, 1,007,848,692.86 and 400,283,462.72

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Solution

The fourth proportional to 730,307,478.08, 1,007,848,692.86 and 400,283,462.72 is: 552,404,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,307,478.08 : 1,007,848,692.86 = 400,283,462.72 : x
  2. Step 2: Convert to fraction form
    730,307,478.08/1,007,848,692.86 = 400,283,462.72/x
  3. Step 3: Cross multiply
    730,307,478.08x = 1,007,848,692.86 × 400,283,462.72
  4. Step 4: Simplify right side
    730,307,478.08x = 403,425,164,675,826,560
  5. Step 5: Solve for x
    x = 403,425,164,675,826,560/730,307,478.08
  6. Step 6: Final answer
    x = 552,404,537.52

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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.