Home / 434,613,638.40-651,920,457.60-262,001,601.60

Finding the Fourth Proportional to 434,613,638.40, 651,920,457.60 and 262,001,601.60

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Solution

The fourth proportional to 434,613,638.40, 651,920,457.60 and 262,001,601.60 is: 393,002,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,613,638.40 : 651,920,457.60 = 262,001,601.60 : x
  2. Step 2: Convert to fraction form
    434,613,638.40/651,920,457.60 = 262,001,601.60/x
  3. Step 3: Cross multiply
    434,613,638.40x = 651,920,457.60 × 262,001,601.60
  4. Step 4: Simplify right side
    434,613,638.40x = 170,804,204,007,004,896
  5. Step 5: Solve for x
    x = 170,804,204,007,004,896/434,613,638.40
  6. Step 6: Final answer
    x = 393,002,402.40

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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.