Home / 971,225,781.67-1,456,851,073.38-281,133,699.94

Finding the Fourth Proportional to 971,225,781.67, 1,456,851,073.38 and 281,133,699.94

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Solution

The fourth proportional to 971,225,781.67, 1,456,851,073.38 and 281,133,699.94 is: 421,704,139.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,225,781.67 : 1,456,851,073.38 = 281,133,699.94 : x
  2. Step 2: Convert to fraction form
    971,225,781.67/1,456,851,073.38 = 281,133,699.94/x
  3. Step 3: Cross multiply
    971,225,781.67x = 1,456,851,073.38 × 281,133,699.94
  4. Step 4: Simplify right side
    971,225,781.67x = 409,569,932,520,879,872
  5. Step 5: Solve for x
    x = 409,569,932,520,879,872/971,225,781.67
  6. Step 6: Final answer
    x = 421,704,139.50

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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.