Home / 529,345,666.56-730,492,988.52-291,185,735.76

Finding the Fourth Proportional to 529,345,666.56, 730,492,988.52 and 291,185,735.76

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Solution

The fourth proportional to 529,345,666.56, 730,492,988.52 and 291,185,735.76 is: 401,834,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,345,666.56 : 730,492,988.52 = 291,185,735.76 : x
  2. Step 2: Convert to fraction form
    529,345,666.56/730,492,988.52 = 291,185,735.76/x
  3. Step 3: Cross multiply
    529,345,666.56x = 730,492,988.52 × 291,185,735.76
  4. Step 4: Simplify right side
    529,345,666.56x = 212,709,138,331,364,864
  5. Step 5: Solve for x
    x = 212,709,138,331,364,864/529,345,666.56
  6. Step 6: Final answer
    x = 401,834,097.77

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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.