Home / 529,565,592.64-730,807,243.44-291,438,194.08

Finding the Fourth Proportional to 529,565,592.64, 730,807,243.44 and 291,438,194.08

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Solution

The fourth proportional to 529,565,592.64, 730,807,243.44 and 291,438,194.08 is: 402,188,409.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,565,592.64 : 730,807,243.44 = 291,438,194.08 : x
  2. Step 2: Convert to fraction form
    529,565,592.64/730,807,243.44 = 291,438,194.08/x
  3. Step 3: Cross multiply
    529,565,592.64x = 730,807,243.44 × 291,438,194.08
  4. Step 4: Simplify right side
    529,565,592.64x = 212,985,143,248,736,544
  5. Step 5: Solve for x
    x = 212,985,143,248,736,544/529,565,592.64
  6. Step 6: Final answer
    x = 402,188,409.16

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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.