Home / 467,919,640.40-645,749,276.52-259,075,781.36

Finding the Fourth Proportional to 467,919,640.40, 645,749,276.52 and 259,075,781.36

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Solution

The fourth proportional to 467,919,640.40, 645,749,276.52 and 259,075,781.36 is: 357,535,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,919,640.40 : 645,749,276.52 = 259,075,781.36 : x
  2. Step 2: Convert to fraction form
    467,919,640.40/645,749,276.52 = 259,075,781.36/x
  3. Step 3: Cross multiply
    467,919,640.40x = 645,749,276.52 × 259,075,781.36
  4. Step 4: Simplify right side
    467,919,640.40x = 167,297,998,377,073,696
  5. Step 5: Solve for x
    x = 167,297,998,377,073,696/467,919,640.40
  6. Step 6: Final answer
    x = 357,535,747.45

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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.