Home / 1,298,631,523.79-1,792,063,491.35-703,903,239.19

Finding the Fourth Proportional to 1,298,631,523.79, 1,792,063,491.35 and 703,903,239.19

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Solution

The fourth proportional to 1,298,631,523.79, 1,792,063,491.35 and 703,903,239.19 is: 971,360,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,523.79 : 1,792,063,491.35 = 703,903,239.19 : x
  2. Step 2: Convert to fraction form
    1,298,631,523.79/1,792,063,491.35 = 703,903,239.19/x
  3. Step 3: Cross multiply
    1,298,631,523.79x = 1,792,063,491.35 × 703,903,239.19
  4. Step 4: Simplify right side
    1,298,631,523.79x = 1,261,439,296,392,685,056
  5. Step 5: Solve for x
    x = 1,261,439,296,392,685,056/1,298,631,523.79
  6. Step 6: Final answer
    x = 971,360,446.19

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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.