Home / 489,937,044-675,658,968.03-357,568,373.28

Finding the Fourth Proportional to 489,937,044, 675,658,968.03 and 357,568,373.28

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Solution

The fourth proportional to 489,937,044, 675,658,968.03 and 357,568,373.28 is: 493,112,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,937,044 : 675,658,968.03 = 357,568,373.28 : x
  2. Step 2: Convert to fraction form
    489,937,044/675,658,968.03 = 357,568,373.28/x
  3. Step 3: Cross multiply
    489,937,044x = 675,658,968.03 × 357,568,373.28
  4. Step 4: Simplify right side
    489,937,044x = 241,594,278,090,530,592
  5. Step 5: Solve for x
    x = 241,594,278,090,530,592/489,937,044
  6. Step 6: Final answer
    x = 493,112,903.07

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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.