Home / 453,827,720.10-680,741,580.15-389,257,638.60

Finding the Fourth Proportional to 453,827,720.10, 680,741,580.15 and 389,257,638.60

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Solution

The fourth proportional to 453,827,720.10, 680,741,580.15 and 389,257,638.60 is: 583,886,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,827,720.10 : 680,741,580.15 = 389,257,638.60 : x
  2. Step 2: Convert to fraction form
    453,827,720.10/680,741,580.15 = 389,257,638.60/x
  3. Step 3: Cross multiply
    453,827,720.10x = 680,741,580.15 × 389,257,638.60
  4. Step 4: Simplify right side
    453,827,720.10x = 264,983,859,986,021,632
  5. Step 5: Solve for x
    x = 264,983,859,986,021,632/453,827,720.10
  6. Step 6: Final answer
    x = 583,886,457.90

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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.