Home / 687,170,090.16-1,030,755,135.24-250,503,522.48

Finding the Fourth Proportional to 687,170,090.16, 1,030,755,135.24 and 250,503,522.48

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Solution

The fourth proportional to 687,170,090.16, 1,030,755,135.24 and 250,503,522.48 is: 375,755,283.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,170,090.16 : 1,030,755,135.24 = 250,503,522.48 : x
  2. Step 2: Convert to fraction form
    687,170,090.16/1,030,755,135.24 = 250,503,522.48/x
  3. Step 3: Cross multiply
    687,170,090.16x = 1,030,755,135.24 × 250,503,522.48
  4. Step 4: Simplify right side
    687,170,090.16x = 258,207,792,191,968,768
  5. Step 5: Solve for x
    x = 258,207,792,191,968,768/687,170,090.16
  6. Step 6: Final answer
    x = 375,755,283.72

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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.