Home / 1,298,631,491.61-1,792,063,446.86-703,903,206.96

Finding the Fourth Proportional to 1,298,631,491.61, 1,792,063,446.86 and 703,903,206.96

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Solution

The fourth proportional to 1,298,631,491.61, 1,792,063,446.86 and 703,903,206.96 is: 971,360,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,491.61 : 1,792,063,446.86 = 703,903,206.96 : x
  2. Step 2: Convert to fraction form
    1,298,631,491.61/1,792,063,446.86 = 703,903,206.96/x
  3. Step 3: Cross multiply
    1,298,631,491.61x = 1,792,063,446.86 × 703,903,206.96
  4. Step 4: Simplify right side
    1,298,631,491.61x = 1,261,439,207,320,545,536
  5. Step 5: Solve for x
    x = 1,261,439,207,320,545,536/1,298,631,491.61
  6. Step 6: Final answer
    x = 971,360,401.68

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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.