Home / 302,516,086.80-453,774,130.20-199,203,956.40

Finding the Fourth Proportional to 302,516,086.80, 453,774,130.20 and 199,203,956.40

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Solution

The fourth proportional to 302,516,086.80, 453,774,130.20 and 199,203,956.40 is: 298,805,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,516,086.80 : 453,774,130.20 = 199,203,956.40 : x
  2. Step 2: Convert to fraction form
    302,516,086.80/453,774,130.20 = 199,203,956.40/x
  3. Step 3: Cross multiply
    302,516,086.80x = 453,774,130.20 × 199,203,956.40
  4. Step 4: Simplify right side
    302,516,086.80x = 90,393,602,047,808,720
  5. Step 5: Solve for x
    x = 90,393,602,047,808,720/302,516,086.80
  6. Step 6: Final answer
    x = 298,805,934.60

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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.