Home / 560,458,999.58-840,768,729.46-172,314,416.75

Finding the Fourth Proportional to 560,458,999.58, 840,768,729.46 and 172,314,416.75

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Solution

The fourth proportional to 560,458,999.58, 840,768,729.46 and 172,314,416.75 is: 258,496,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,458,999.58 : 840,768,729.46 = 172,314,416.75 : x
  2. Step 2: Convert to fraction form
    560,458,999.58/840,768,729.46 = 172,314,416.75/x
  3. Step 3: Cross multiply
    560,458,999.58x = 840,768,729.46 × 172,314,416.75
  4. Step 4: Simplify right side
    560,458,999.58x = 144,876,573,233,903,808
  5. Step 5: Solve for x
    x = 144,876,573,233,903,808/560,458,999.58
  6. Step 6: Final answer
    x = 258,496,292.05

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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.