Home / 525,401,862.60-788,102,793.90-218,592,006.60

Finding the Fourth Proportional to 525,401,862.60, 788,102,793.90 and 218,592,006.60

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Solution

The fourth proportional to 525,401,862.60, 788,102,793.90 and 218,592,006.60 is: 327,888,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,401,862.60 : 788,102,793.90 = 218,592,006.60 : x
  2. Step 2: Convert to fraction form
    525,401,862.60/788,102,793.90 = 218,592,006.60/x
  3. Step 3: Cross multiply
    525,401,862.60x = 788,102,793.90 × 218,592,006.60
  4. Step 4: Simplify right side
    525,401,862.60x = 172,272,971,125,667,232
  5. Step 5: Solve for x
    x = 172,272,971,125,667,232/525,401,862.60
  6. Step 6: Final answer
    x = 327,888,009.90

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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.