Home / 1,625,244,330.60-2,437,866,495.90-398,412,782.10

Finding the Fourth Proportional to 1,625,244,330.60, 2,437,866,495.90 and 398,412,782.10

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Solution

The fourth proportional to 1,625,244,330.60, 2,437,866,495.90 and 398,412,782.10 is: 597,619,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,244,330.60 : 2,437,866,495.90 = 398,412,782.10 : x
  2. Step 2: Convert to fraction form
    1,625,244,330.60/2,437,866,495.90 = 398,412,782.10/x
  3. Step 3: Cross multiply
    1,625,244,330.60x = 2,437,866,495.90 × 398,412,782.10
  4. Step 4: Simplify right side
    1,625,244,330.60x = 971,277,173,019,897,344
  5. Step 5: Solve for x
    x = 971,277,173,019,897,344/1,625,244,330.60
  6. Step 6: Final answer
    x = 597,619,173.15

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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.