Home / 453,775,779.60-680,663,669.40-281,588,895.60

Finding the Fourth Proportional to 453,775,779.60, 680,663,669.40 and 281,588,895.60

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Solution

The fourth proportional to 453,775,779.60, 680,663,669.40 and 281,588,895.60 is: 422,383,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,775,779.60 : 680,663,669.40 = 281,588,895.60 : x
  2. Step 2: Convert to fraction form
    453,775,779.60/680,663,669.40 = 281,588,895.60/x
  3. Step 3: Cross multiply
    453,775,779.60x = 680,663,669.40 × 281,588,895.60
  4. Step 4: Simplify right side
    453,775,779.60x = 191,667,330,941,389,536
  5. Step 5: Solve for x
    x = 191,667,330,941,389,536/453,775,779.60
  6. Step 6: Final answer
    x = 422,383,343.40

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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.