Home / 302,515,246.80-453,772,870.20-199,203,116.40

Finding the Fourth Proportional to 302,515,246.80, 453,772,870.20 and 199,203,116.40

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Solution

The fourth proportional to 302,515,246.80, 453,772,870.20 and 199,203,116.40 is: 298,804,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515,246.80 : 453,772,870.20 = 199,203,116.40 : x
  2. Step 2: Convert to fraction form
    302,515,246.80/453,772,870.20 = 199,203,116.40/x
  3. Step 3: Cross multiply
    302,515,246.80x = 453,772,870.20 × 199,203,116.40
  4. Step 4: Simplify right side
    302,515,246.80x = 90,392,969,881,612,688
  5. Step 5: Solve for x
    x = 90,392,969,881,612,688/302,515,246.80
  6. Step 6: Final answer
    x = 298,804,674.60

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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.