Home / 357,459,403.76-493,343,704.32-200,838,633.20

Finding the Fourth Proportional to 357,459,403.76, 493,343,704.32 and 200,838,633.20

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Solution

The fourth proportional to 357,459,403.76, 493,343,704.32 and 200,838,633.20 is: 277,185,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,459,403.76 : 493,343,704.32 = 200,838,633.20 : x
  2. Step 2: Convert to fraction form
    357,459,403.76/493,343,704.32 = 200,838,633.20/x
  3. Step 3: Cross multiply
    357,459,403.76x = 493,343,704.32 × 200,838,633.20
  4. Step 4: Simplify right side
    357,459,403.76x = 99,082,475,273,453,728
  5. Step 5: Solve for x
    x = 99,082,475,273,453,728/357,459,403.76
  6. Step 6: Final answer
    x = 277,185,253.01

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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.