Home / 620,139,639.30-930,345,664.29-183,406,274.56

Finding the Fourth Proportional to 620,139,639.30, 930,345,664.29 and 183,406,274.56

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Solution

The fourth proportional to 620,139,639.30, 930,345,664.29 and 183,406,274.56 is: 275,149,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,139,639.30 : 930,345,664.29 = 183,406,274.56 : x
  2. Step 2: Convert to fraction form
    620,139,639.30/930,345,664.29 = 183,406,274.56/x
  3. Step 3: Cross multiply
    620,139,639.30x = 930,345,664.29 × 183,406,274.56
  4. Step 4: Simplify right side
    620,139,639.30x = 170,631,232,340,477,312
  5. Step 5: Solve for x
    x = 170,631,232,340,477,312/620,139,639.30
  6. Step 6: Final answer
    x = 275,149,694.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.