Home / 364,525,826.78-502,991,526.59-221,397,108.40

Finding the Fourth Proportional to 364,525,826.78, 502,991,526.59 and 221,397,108.40

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Solution

The fourth proportional to 364,525,826.78, 502,991,526.59 and 221,397,108.40 is: 305,495,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,525,826.78 : 502,991,526.59 = 221,397,108.40 : x
  2. Step 2: Convert to fraction form
    364,525,826.78/502,991,526.59 = 221,397,108.40/x
  3. Step 3: Cross multiply
    364,525,826.78x = 502,991,526.59 × 221,397,108.40
  4. Step 4: Simplify right side
    364,525,826.78x = 111,360,869,535,620,720
  5. Step 5: Solve for x
    x = 111,360,869,535,620,720/364,525,826.78
  6. Step 6: Final answer
    x = 305,495,142.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.