Home / 302,548,721.40-453,823,082.10-259,502,000.40

Finding the Fourth Proportional to 302,548,721.40, 453,823,082.10 and 259,502,000.40

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Solution

The fourth proportional to 302,548,721.40, 453,823,082.10 and 259,502,000.40 is: 389,253,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,548,721.40 : 453,823,082.10 = 259,502,000.40 : x
  2. Step 2: Convert to fraction form
    302,548,721.40/453,823,082.10 = 259,502,000.40/x
  3. Step 3: Cross multiply
    302,548,721.40x = 453,823,082.10 × 259,502,000.40
  4. Step 4: Simplify right side
    302,548,721.40x = 117,767,997,632,643,440
  5. Step 5: Solve for x
    x = 117,767,997,632,643,440/302,548,721.40
  6. Step 6: Final answer
    x = 389,253,000.60

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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.