Home / 1,274,932,937.40-1,759,389,569.28-710,441,611.32

Finding the Fourth Proportional to 1,274,932,937.40, 1,759,389,569.28 and 710,441,611.32

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Solution

The fourth proportional to 1,274,932,937.40, 1,759,389,569.28 and 710,441,611.32 is: 980,399,457.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,932,937.40 : 1,759,389,569.28 = 710,441,611.32 : x
  2. Step 2: Convert to fraction form
    1,274,932,937.40/1,759,389,569.28 = 710,441,611.32/x
  3. Step 3: Cross multiply
    1,274,932,937.40x = 1,759,389,569.28 × 710,441,611.32
  4. Step 4: Simplify right side
    1,274,932,937.40x = 1,249,943,560,538,884,096
  5. Step 5: Solve for x
    x = 1,249,943,560,538,884,096/1,274,932,937.40
  6. Step 6: Final answer
    x = 980,399,457.78

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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.