Home / 291,032,743.20-436,549,114.80-264,248,116.80

Finding the Fourth Proportional to 291,032,743.20, 436,549,114.80 and 264,248,116.80

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Solution

The fourth proportional to 291,032,743.20, 436,549,114.80 and 264,248,116.80 is: 396,372,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,032,743.20 : 436,549,114.80 = 264,248,116.80 : x
  2. Step 2: Convert to fraction form
    291,032,743.20/436,549,114.80 = 264,248,116.80/x
  3. Step 3: Cross multiply
    291,032,743.20x = 436,549,114.80 × 264,248,116.80
  4. Step 4: Simplify right side
    291,032,743.20x = 115,357,281,476,607,024
  5. Step 5: Solve for x
    x = 115,357,281,476,607,024/291,032,743.20
  6. Step 6: Final answer
    x = 396,372,175.20

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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.