Home / 1,298,631,486.56-1,792,063,439.92-703,903,201.91

Finding the Fourth Proportional to 1,298,631,486.56, 1,792,063,439.92 and 703,903,201.91

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Solution

The fourth proportional to 1,298,631,486.56, 1,792,063,439.92 and 703,903,201.91 is: 971,360,394.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,486.56 : 1,792,063,439.92 = 703,903,201.91 : x
  2. Step 2: Convert to fraction form
    1,298,631,486.56/1,792,063,439.92 = 703,903,201.91/x
  3. Step 3: Cross multiply
    1,298,631,486.56x = 1,792,063,439.92 × 703,903,201.91
  4. Step 4: Simplify right side
    1,298,631,486.56x = 1,261,439,193,391,236,352
  5. Step 5: Solve for x
    x = 1,261,439,193,391,236,352/1,298,631,486.56
  6. Step 6: Final answer
    x = 971,360,394.73

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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.