Home / 302,516,443.80-453,774,665.70-199,204,313.40

Finding the Fourth Proportional to 302,516,443.80, 453,774,665.70 and 199,204,313.40

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Solution

The fourth proportional to 302,516,443.80, 453,774,665.70 and 199,204,313.40 is: 298,806,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516,443.80 : 453,774,665.70 = 199,204,313.40 : x
  2. Step 2: Convert to fraction form
    302,516,443.80/453,774,665.70 = 199,204,313.40/x
  3. Step 3: Cross multiply
    302,516,443.80x = 453,774,665.70 × 199,204,313.40
  4. Step 4: Simplify right side
    302,516,443.80x = 90,393,870,719,083,024
  5. Step 5: Solve for x
    x = 90,393,870,719,083,024/302,516,443.80
  6. Step 6: Final answer
    x = 298,806,470.10

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1.5x scale

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.