Home / 1,298,631,472.92-1,792,063,421.20-703,903,188.29

Finding the Fourth Proportional to 1,298,631,472.92, 1,792,063,421.20 and 703,903,188.29

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Solution

The fourth proportional to 1,298,631,472.92, 1,792,063,421.20 and 703,903,188.29 is: 971,360,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,472.92 : 1,792,063,421.20 = 703,903,188.29 : x
  2. Step 2: Convert to fraction form
    1,298,631,472.92/1,792,063,421.20 = 703,903,188.29/x
  3. Step 3: Cross multiply
    1,298,631,472.92x = 1,792,063,421.20 × 703,903,188.29
  4. Step 4: Simplify right side
    1,298,631,472.92x = 1,261,439,155,792,519,936
  5. Step 5: Solve for x
    x = 1,261,439,155,792,519,936/1,298,631,472.92
  6. Step 6: Final answer
    x = 971,360,375.98

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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.