Home / 654,587,311.03-903,349,622.37-357,248,636.24

Finding the Fourth Proportional to 654,587,311.03, 903,349,622.37 and 357,248,636.24

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Solution

The fourth proportional to 654,587,311.03, 903,349,622.37 and 357,248,636.24 is: 493,013,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,587,311.03 : 903,349,622.37 = 357,248,636.24 : x
  2. Step 2: Convert to fraction form
    654,587,311.03/903,349,622.37 = 357,248,636.24/x
  3. Step 3: Cross multiply
    654,587,311.03x = 903,349,622.37 × 357,248,636.24
  4. Step 4: Simplify right side
    654,587,311.03x = 322,720,420,639,601,536
  5. Step 5: Solve for x
    x = 322,720,420,639,601,536/654,587,311.03
  6. Step 6: Final answer
    x = 493,013,560.15

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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.