Home / 529,708,858.08-730,584,108.72-344,129,667.36

Finding the Fourth Proportional to 529,708,858.08, 730,584,108.72 and 344,129,667.36

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Solution

The fourth proportional to 529,708,858.08, 730,584,108.72 and 344,129,667.36 is: 474,629,907.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,708,858.08 : 730,584,108.72 = 344,129,667.36 : x
  2. Step 2: Convert to fraction form
    529,708,858.08/730,584,108.72 = 344,129,667.36/x
  3. Step 3: Cross multiply
    529,708,858.08x = 730,584,108.72 × 344,129,667.36
  4. Step 4: Simplify right side
    529,708,858.08x = 251,415,666,312,315,680
  5. Step 5: Solve for x
    x = 251,415,666,312,315,680/529,708,858.08
  6. Step 6: Final answer
    x = 474,629,907.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.