Home / 358,971,010.35-495,418,072.14-210,416,946.77

Finding the Fourth Proportional to 358,971,010.35, 495,418,072.14 and 210,416,946.77

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Solution

The fourth proportional to 358,971,010.35, 495,418,072.14 and 210,416,946.77 is: 290,397,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,971,010.35 : 495,418,072.14 = 210,416,946.77 : x
  2. Step 2: Convert to fraction form
    358,971,010.35/495,418,072.14 = 210,416,946.77/x
  3. Step 3: Cross multiply
    358,971,010.35x = 495,418,072.14 × 210,416,946.77
  4. Step 4: Simplify right side
    358,971,010.35x = 104,244,358,111,901,296
  5. Step 5: Solve for x
    x = 104,244,358,111,901,296/358,971,010.35
  6. Step 6: Final answer
    x = 290,397,706.52

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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.