Home / 1,298,631,656.64-1,792,063,673.79-703,903,371.63

Finding the Fourth Proportional to 1,298,631,656.64, 1,792,063,673.79 and 703,903,371.63

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Solution

The fourth proportional to 1,298,631,656.64, 1,792,063,673.79 and 703,903,371.63 is: 971,360,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,631,656.64 : 1,792,063,673.79 = 703,903,371.63 : x
  2. Step 2: Convert to fraction form
    1,298,631,656.64/1,792,063,673.79 = 703,903,371.63/x
  3. Step 3: Cross multiply
    1,298,631,656.64x = 1,792,063,673.79 × 703,903,371.63
  4. Step 4: Simplify right side
    1,298,631,656.64x = 1,261,439,662,157,190,144
  5. Step 5: Solve for x
    x = 1,261,439,662,157,190,144/1,298,631,656.64
  6. Step 6: Final answer
    x = 971,360,628.48

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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.