Home / 516,338,363.80-774,736,262.21-270,636,606.57

Finding the Fourth Proportional to 516,338,363.80, 774,736,262.21 and 270,636,606.57

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Solution

The fourth proportional to 516,338,363.80, 774,736,262.21 and 270,636,606.57 is: 406,074,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,338,363.80 : 774,736,262.21 = 270,636,606.57 : x
  2. Step 2: Convert to fraction form
    516,338,363.80/774,736,262.21 = 270,636,606.57/x
  3. Step 3: Cross multiply
    516,338,363.80x = 774,736,262.21 × 270,636,606.57
  4. Step 4: Simplify right side
    516,338,363.80x = 209,671,992,994,821,984
  5. Step 5: Solve for x
    x = 209,671,992,994,821,984/516,338,363.80
  6. Step 6: Final answer
    x = 406,074,790.67

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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.