Home / 302,364,800.40-453,547,200.60-205,618,918.80

Finding the Fourth Proportional to 302,364,800.40, 453,547,200.60 and 205,618,918.80

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Solution

The fourth proportional to 302,364,800.40, 453,547,200.60 and 205,618,918.80 is: 308,428,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,364,800.40 : 453,547,200.60 = 205,618,918.80 : x
  2. Step 2: Convert to fraction form
    302,364,800.40/453,547,200.60 = 205,618,918.80/x
  3. Step 3: Cross multiply
    302,364,800.40x = 453,547,200.60 × 205,618,918.80
  4. Step 4: Simplify right side
    302,364,800.40x = 93,257,885,012,138,720
  5. Step 5: Solve for x
    x = 93,257,885,012,138,720/302,364,800.40
  6. Step 6: Final answer
    x = 308,428,378.20

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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.