Home / 529,345,675.19-730,493,000.42-291,185,744.40

Finding the Fourth Proportional to 529,345,675.19, 730,493,000.42 and 291,185,744.40

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Solution

The fourth proportional to 529,345,675.19, 730,493,000.42 and 291,185,744.40 is: 401,834,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,345,675.19 : 730,493,000.42 = 291,185,744.40 : x
  2. Step 2: Convert to fraction form
    529,345,675.19/730,493,000.42 = 291,185,744.40/x
  3. Step 3: Cross multiply
    529,345,675.19x = 730,493,000.42 × 291,185,744.40
  4. Step 4: Simplify right side
    529,345,675.19x = 212,709,148,104,831,264
  5. Step 5: Solve for x
    x = 212,709,148,104,831,264/529,345,675.19
  6. Step 6: Final answer
    x = 401,834,109.68

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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.