Home / 871,337,748-1,307,261,894.40-281,116,020

Finding the Fourth Proportional to 871,337,748, 1,307,261,894.40 and 281,116,020

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Solution

The fourth proportional to 871,337,748, 1,307,261,894.40 and 281,116,020 is: 421,756,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,337,748 : 1,307,261,894.40 = 281,116,020 : x
  2. Step 2: Convert to fraction form
    871,337,748/1,307,261,894.40 = 281,116,020/x
  3. Step 3: Cross multiply
    871,337,748x = 1,307,261,894.40 × 281,116,020
  4. Step 4: Simplify right side
    871,337,748x = 367,492,260,851,388,288
  5. Step 5: Solve for x
    x = 367,492,260,851,388,288/871,337,748
  6. Step 6: Final answer
    x = 421,756,387.46

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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.