Home / 2,155,022,358,035.60-3,232,541,923,558.20-521,365,230,303.66

Finding the Fourth Proportional to 2,155,022,358,035.60, 3,232,541,923,558.20 and 521,365,230,303.66

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Solution

The fourth proportional to 2,155,022,358,035.60, 3,232,541,923,558.20 and 521,365,230,303.66 is: 782,049,874,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,022,358,035.60 : 3,232,541,923,558.20 = 521,365,230,303.66 : x
  2. Step 2: Convert to fraction form
    2,155,022,358,035.60/3,232,541,923,558.20 = 521,365,230,303.66/x
  3. Step 3: Cross multiply
    2,155,022,358,035.60x = 3,232,541,923,558.20 × 521,365,230,303.66
  4. Step 4: Simplify right side
    2,155,022,358,035.60x = 1,685,334,964,442,157,167,935,488
  5. Step 5: Solve for x
    x = 1,685,334,964,442,157,167,935,488/2,155,022,358,035.60
  6. Step 6: Final answer
    x = 782,049,874,405.21

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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.