Home / 1,298,631,664.89-1,792,063,685.16-703,903,379.91

Finding the Fourth Proportional to 1,298,631,664.89, 1,792,063,685.16 and 703,903,379.91

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Solution

The fourth proportional to 1,298,631,664.89, 1,792,063,685.16 and 703,903,379.91 is: 971,360,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,664.89 : 1,792,063,685.16 = 703,903,379.91 : x
  2. Step 2: Convert to fraction form
    1,298,631,664.89/1,792,063,685.16 = 703,903,379.91/x
  3. Step 3: Cross multiply
    1,298,631,664.89x = 1,792,063,685.16 × 703,903,379.91
  4. Step 4: Simplify right side
    1,298,631,664.89x = 1,261,439,684,998,094,080
  5. Step 5: Solve for x
    x = 1,261,439,684,998,094,080/1,298,631,664.89
  6. Step 6: Final answer
    x = 971,360,639.90

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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.