Home / 302,206,670.70-453,310,006.05-278,020,200.30

Finding the Fourth Proportional to 302,206,670.70, 453,310,006.05 and 278,020,200.30

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Solution

The fourth proportional to 302,206,670.70, 453,310,006.05 and 278,020,200.30 is: 417,030,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,206,670.70 : 453,310,006.05 = 278,020,200.30 : x
  2. Step 2: Convert to fraction form
    302,206,670.70/453,310,006.05 = 278,020,200.30/x
  3. Step 3: Cross multiply
    302,206,670.70x = 453,310,006.05 × 278,020,200.30
  4. Step 4: Simplify right side
    302,206,670.70x = 126,029,338,680,015,216
  5. Step 5: Solve for x
    x = 126,029,338,680,015,216/302,206,670.70
  6. Step 6: Final answer
    x = 417,030,300.45

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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.