Home / 529,241,562.96-730,353,957.36-294,287,178.72

Finding the Fourth Proportional to 529,241,562.96, 730,353,957.36 and 294,287,178.72

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Solution

The fourth proportional to 529,241,562.96, 730,353,957.36 and 294,287,178.72 is: 406,116,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,241,562.96 : 730,353,957.36 = 294,287,178.72 : x
  2. Step 2: Convert to fraction form
    529,241,562.96/730,353,957.36 = 294,287,178.72/x
  3. Step 3: Cross multiply
    529,241,562.96x = 730,353,957.36 × 294,287,178.72
  4. Step 4: Simplify right side
    529,241,562.96x = 214,933,805,578,461,600
  5. Step 5: Solve for x
    x = 214,933,805,578,461,600/529,241,562.96
  6. Step 6: Final answer
    x = 406,116,640.53

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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.