Home / 1,115,312,820,688.10-1,539,086,230,099.60-658,719,120,822.57

Finding the Fourth Proportional to 1,115,312,820,688.10, 1,539,086,230,099.60 and 658,719,120,822.57

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Solution

The fourth proportional to 1,115,312,820,688.10, 1,539,086,230,099.60 and 658,719,120,822.57 is: 909,005,535,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,312,820,688.10 : 1,539,086,230,099.60 = 658,719,120,822.57 : x
  2. Step 2: Convert to fraction form
    1,115,312,820,688.10/1,539,086,230,099.60 = 658,719,120,822.57/x
  3. Step 3: Cross multiply
    1,115,312,820,688.10x = 1,539,086,230,099.60 × 658,719,120,822.57
  4. Step 4: Simplify right side
    1,115,312,820,688.10x = 1,013,825,528,361,332,213,022,720
  5. Step 5: Solve for x
    x = 1,013,825,528,361,332,213,022,720/1,115,312,820,688.10
  6. Step 6: Final answer
    x = 909,005,535,985.72

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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.