Home / 632,242,009.38-947,671,193.04-325,552,525.86

Finding the Fourth Proportional to 632,242,009.38, 947,671,193.04 and 325,552,525.86

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Solution

The fourth proportional to 632,242,009.38, 947,671,193.04 and 325,552,525.86 is: 487,972,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,242,009.38 : 947,671,193.04 = 325,552,525.86 : x
  2. Step 2: Convert to fraction form
    632,242,009.38/947,671,193.04 = 325,552,525.86/x
  3. Step 3: Cross multiply
    632,242,009.38x = 947,671,193.04 × 325,552,525.86
  4. Step 4: Simplify right side
    632,242,009.38x = 308,516,750,578,931,648
  5. Step 5: Solve for x
    x = 308,516,750,578,931,648/632,242,009.38
  6. Step 6: Final answer
    x = 487,972,557.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.