Home / 1,105,199,514.80-1,525,863,642.81-703,539,894.50

Finding the Fourth Proportional to 1,105,199,514.80, 1,525,863,642.81 and 703,539,894.50

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Solution

The fourth proportional to 1,105,199,514.80, 1,525,863,642.81 and 703,539,894.50 is: 971,323,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,199,514.80 : 1,525,863,642.81 = 703,539,894.50 : x
  2. Step 2: Convert to fraction form
    1,105,199,514.80/1,525,863,642.81 = 703,539,894.50/x
  3. Step 3: Cross multiply
    1,105,199,514.80x = 1,525,863,642.81 × 703,539,894.50
  4. Step 4: Simplify right side
    1,105,199,514.80x = 1,073,505,946,283,933,056
  5. Step 5: Solve for x
    x = 1,073,505,946,283,933,056/1,105,199,514.80
  6. Step 6: Final answer
    x = 971,323,215.32

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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.