Home / 355,673,830.74-490,881,227.40-204,937,616.94

Finding the Fourth Proportional to 355,673,830.74, 490,881,227.40 and 204,937,616.94

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Solution

The fourth proportional to 355,673,830.74, 490,881,227.40 and 204,937,616.94 is: 282,843,493.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,673,830.74 : 490,881,227.40 = 204,937,616.94 : x
  2. Step 2: Convert to fraction form
    355,673,830.74/490,881,227.40 = 204,937,616.94/x
  3. Step 3: Cross multiply
    355,673,830.74x = 490,881,227.40 × 204,937,616.94
  4. Step 4: Simplify right side
    355,673,830.74x = 100,600,028,943,938,224
  5. Step 5: Solve for x
    x = 100,600,028,943,938,224/355,673,830.74
  6. Step 6: Final answer
    x = 282,843,493.81

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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.