Home / 315,450,521.46-435,338,433.18-190,042,195.32

Finding the Fourth Proportional to 315,450,521.46, 435,338,433.18 and 190,042,195.32

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Solution

The fourth proportional to 315,450,521.46, 435,338,433.18 and 190,042,195.32 is: 262,268,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,450,521.46 : 435,338,433.18 = 190,042,195.32 : x
  2. Step 2: Convert to fraction form
    315,450,521.46/435,338,433.18 = 190,042,195.32/x
  3. Step 3: Cross multiply
    315,450,521.46x = 435,338,433.18 × 190,042,195.32
  4. Step 4: Simplify right side
    315,450,521.46x = 82,732,671,548,696,320
  5. Step 5: Solve for x
    x = 82,732,671,548,696,320/315,450,521.46
  6. Step 6: Final answer
    x = 262,268,298.58

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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.