Home / 782,353,101.24-1,079,197,705.26-488,487,485.88

Finding the Fourth Proportional to 782,353,101.24, 1,079,197,705.26 and 488,487,485.88

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Solution

The fourth proportional to 782,353,101.24, 1,079,197,705.26 and 488,487,485.88 is: 673,832,024.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,353,101.24 : 1,079,197,705.26 = 488,487,485.88 : x
  2. Step 2: Convert to fraction form
    782,353,101.24/1,079,197,705.26 = 488,487,485.88/x
  3. Step 3: Cross multiply
    782,353,101.24x = 1,079,197,705.26 × 488,487,485.88
  4. Step 4: Simplify right side
    782,353,101.24x = 527,174,573,809,922,624
  5. Step 5: Solve for x
    x = 527,174,573,809,922,624/782,353,101.24
  6. Step 6: Final answer
    x = 673,832,024.15

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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.