Home / 435,492,034.20-653,238,051.30-290,373,211.80

Finding the Fourth Proportional to 435,492,034.20, 653,238,051.30 and 290,373,211.80

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Solution

The fourth proportional to 435,492,034.20, 653,238,051.30 and 290,373,211.80 is: 435,559,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,492,034.20 : 653,238,051.30 = 290,373,211.80 : x
  2. Step 2: Convert to fraction form
    435,492,034.20/653,238,051.30 = 290,373,211.80/x
  3. Step 3: Cross multiply
    435,492,034.20x = 653,238,051.30 × 290,373,211.80
  4. Step 4: Simplify right side
    435,492,034.20x = 189,682,831,025,954,144
  5. Step 5: Solve for x
    x = 189,682,831,025,954,144/435,492,034.20
  6. Step 6: Final answer
    x = 435,559,817.70

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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.