Home / 560,458,592.66-840,768,122.74-172,314,017.12

Finding the Fourth Proportional to 560,458,592.66, 840,768,122.74 and 172,314,017.12

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Solution

The fourth proportional to 560,458,592.66, 840,768,122.74 and 172,314,017.12 is: 258,495,693.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,458,592.66 : 840,768,122.74 = 172,314,017.12 : x
  2. Step 2: Convert to fraction form
    560,458,592.66/840,768,122.74 = 172,314,017.12/x
  3. Step 3: Cross multiply
    560,458,592.66x = 840,768,122.74 × 172,314,017.12
  4. Step 4: Simplify right side
    560,458,592.66x = 144,876,132,695,770,624
  5. Step 5: Solve for x
    x = 144,876,132,695,770,624/560,458,592.66
  6. Step 6: Final answer
    x = 258,495,693.69

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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.