Home / 555,718,183.20-767,030,454.72-377,403,783.12

Finding the Fourth Proportional to 555,718,183.20, 767,030,454.72 and 377,403,783.12

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Solution

The fourth proportional to 555,718,183.20, 767,030,454.72 and 377,403,783.12 is: 520,911,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,718,183.20 : 767,030,454.72 = 377,403,783.12 : x
  2. Step 2: Convert to fraction form
    555,718,183.20/767,030,454.72 = 377,403,783.12/x
  3. Step 3: Cross multiply
    555,718,183.20x = 767,030,454.72 × 377,403,783.12
  4. Step 4: Simplify right side
    555,718,183.20x = 289,480,195,379,581,888
  5. Step 5: Solve for x
    x = 289,480,195,379,581,888/555,718,183.20
  6. Step 6: Final answer
    x = 520,911,865.28

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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.