Home / 435,617,999.70-653,426,999.55-281,429,250.90

Finding the Fourth Proportional to 435,617,999.70, 653,426,999.55 and 281,429,250.90

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Solution

The fourth proportional to 435,617,999.70, 653,426,999.55 and 281,429,250.90 is: 422,143,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,617,999.70 : 653,426,999.55 = 281,429,250.90 : x
  2. Step 2: Convert to fraction form
    435,617,999.70/653,426,999.55 = 281,429,250.90/x
  3. Step 3: Cross multiply
    435,617,999.70x = 653,426,999.55 × 281,429,250.90
  4. Step 4: Simplify right side
    435,617,999.70x = 183,893,471,001,191,104
  5. Step 5: Solve for x
    x = 183,893,471,001,191,104/435,617,999.70
  6. Step 6: Final answer
    x = 422,143,876.35

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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.