Home / 486,518,372.34-671,406,194.61-277,670,324.58

Finding the Fourth Proportional to 486,518,372.34, 671,406,194.61 and 277,670,324.58

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Solution

The fourth proportional to 486,518,372.34, 671,406,194.61 and 277,670,324.58 is: 383,191,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,518,372.34 : 671,406,194.61 = 277,670,324.58 : x
  2. Step 2: Convert to fraction form
    486,518,372.34/671,406,194.61 = 277,670,324.58/x
  3. Step 3: Cross multiply
    486,518,372.34x = 671,406,194.61 × 277,670,324.58
  4. Step 4: Simplify right side
    486,518,372.34x = 186,429,575,982,381,344
  5. Step 5: Solve for x
    x = 186,429,575,982,381,344/486,518,372.34
  6. Step 6: Final answer
    x = 383,191,235.07

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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.