Home / 915,626,537.20-1,373,523,786.60-302,212,111.60

Finding the Fourth Proportional to 915,626,537.20, 1,373,523,786.60 and 302,212,111.60

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Solution

The fourth proportional to 915,626,537.20, 1,373,523,786.60 and 302,212,111.60 is: 453,345,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,626,537.20 : 1,373,523,786.60 = 302,212,111.60 : x
  2. Step 2: Convert to fraction form
    915,626,537.20/1,373,523,786.60 = 302,212,111.60/x
  3. Step 3: Cross multiply
    915,626,537.20x = 1,373,523,786.60 × 302,212,111.60
  4. Step 4: Simplify right side
    915,626,537.20x = 415,095,523,881,213,760
  5. Step 5: Solve for x
    x = 415,095,523,881,213,760/915,626,537.20
  6. Step 6: Final answer
    x = 453,345,886.14

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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.