Home / 556,981,129.42-768,654,702.18-333,999,114.64

Finding the Fourth Proportional to 556,981,129.42, 768,654,702.18 and 333,999,114.64

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Solution

The fourth proportional to 556,981,129.42, 768,654,702.18 and 333,999,114.64 is: 460,931,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,981,129.42 : 768,654,702.18 = 333,999,114.64 : x
  2. Step 2: Convert to fraction form
    556,981,129.42/768,654,702.18 = 333,999,114.64/x
  3. Step 3: Cross multiply
    556,981,129.42x = 768,654,702.18 × 333,999,114.64
  4. Step 4: Simplify right side
    556,981,129.42x = 256,729,989,991,992,864
  5. Step 5: Solve for x
    x = 256,729,989,991,992,864/556,981,129.42
  6. Step 6: Final answer
    x = 460,931,217.29

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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.