Home / 851,819,277.40-1,276,847,117.70-462,820,211.80

Finding the Fourth Proportional to 851,819,277.40, 1,276,847,117.70 and 462,820,211.80

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Solution

The fourth proportional to 851,819,277.40, 1,276,847,117.70 and 462,820,211.80 is: 693,751,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,819,277.40 : 1,276,847,117.70 = 462,820,211.80 : x
  2. Step 2: Convert to fraction form
    851,819,277.40/1,276,847,117.70 = 462,820,211.80/x
  3. Step 3: Cross multiply
    851,819,277.40x = 1,276,847,117.70 × 462,820,211.80
  4. Step 4: Simplify right side
    851,819,277.40x = 590,950,653,450,133,504
  5. Step 5: Solve for x
    x = 590,950,653,450,133,504/851,819,277.40
  6. Step 6: Final answer
    x = 693,751,208.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.