Home / 291,032,777.70-436,549,166.55-264,248,151.30

Finding the Fourth Proportional to 291,032,777.70, 436,549,166.55 and 264,248,151.30

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Solution

The fourth proportional to 291,032,777.70, 436,549,166.55 and 264,248,151.30 is: 396,372,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,032,777.70 : 436,549,166.55 = 264,248,151.30 : x
  2. Step 2: Convert to fraction form
    291,032,777.70/436,549,166.55 = 264,248,151.30/x
  3. Step 3: Cross multiply
    291,032,777.70x = 436,549,166.55 × 264,248,151.30
  4. Step 4: Simplify right side
    291,032,777.70x = 115,357,310,212,393,312
  5. Step 5: Solve for x
    x = 115,357,310,212,393,312/291,032,777.70
  6. Step 6: Final answer
    x = 396,372,226.95

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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.