Home / 1,298,631,474.42-1,792,063,423.28-703,903,189.79

Finding the Fourth Proportional to 1,298,631,474.42, 1,792,063,423.28 and 703,903,189.79

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Solution

The fourth proportional to 1,298,631,474.42, 1,792,063,423.28 and 703,903,189.79 is: 971,360,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,474.42 : 1,792,063,423.28 = 703,903,189.79 : x
  2. Step 2: Convert to fraction form
    1,298,631,474.42/1,792,063,423.28 = 703,903,189.79/x
  3. Step 3: Cross multiply
    1,298,631,474.42x = 1,792,063,423.28 × 703,903,189.79
  4. Step 4: Simplify right side
    1,298,631,474.42x = 1,261,439,159,940,299,008
  5. Step 5: Solve for x
    x = 1,261,439,159,940,299,008/1,298,631,474.42
  6. Step 6: Final answer
    x = 971,360,378.05

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Double scale
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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.