Home / 531,505,558.10-797,258,337.15-208,389,430.10

Finding the Fourth Proportional to 531,505,558.10, 797,258,337.15 and 208,389,430.10

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Solution

The fourth proportional to 531,505,558.10, 797,258,337.15 and 208,389,430.10 is: 312,584,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,505,558.10 : 797,258,337.15 = 208,389,430.10 : x
  2. Step 2: Convert to fraction form
    531,505,558.10/797,258,337.15 = 208,389,430.10/x
  3. Step 3: Cross multiply
    531,505,558.10x = 797,258,337.15 × 208,389,430.10
  4. Step 4: Simplify right side
    531,505,558.10x = 166,140,210,521,162,144
  5. Step 5: Solve for x
    x = 166,140,210,521,162,144/531,505,558.10
  6. Step 6: Final answer
    x = 312,584,145.15

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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.