Home / 731,380,354.56-1,009,255,202.64-401,376,751.20

Finding the Fourth Proportional to 731,380,354.56, 1,009,255,202.64 and 401,376,751.20

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Solution

The fourth proportional to 731,380,354.56, 1,009,255,202.64 and 401,376,751.20 is: 553,872,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,380,354.56 : 1,009,255,202.64 = 401,376,751.20 : x
  2. Step 2: Convert to fraction form
    731,380,354.56/1,009,255,202.64 = 401,376,751.20/x
  3. Step 3: Cross multiply
    731,380,354.56x = 1,009,255,202.64 × 401,376,751.20
  4. Step 4: Simplify right side
    731,380,354.56x = 405,091,574,367,340,864
  5. Step 5: Solve for x
    x = 405,091,574,367,340,864/731,380,354.56
  6. Step 6: Final answer
    x = 553,872,648.95

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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.