Home / 1,346,139,008.20-2,019,208,512.30-426,087,353.80

Finding the Fourth Proportional to 1,346,139,008.20, 2,019,208,512.30 and 426,087,353.80

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Solution

The fourth proportional to 1,346,139,008.20, 2,019,208,512.30 and 426,087,353.80 is: 639,131,030.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,139,008.20 : 2,019,208,512.30 = 426,087,353.80 : x
  2. Step 2: Convert to fraction form
    1,346,139,008.20/2,019,208,512.30 = 426,087,353.80/x
  3. Step 3: Cross multiply
    1,346,139,008.20x = 2,019,208,512.30 × 426,087,353.80
  4. Step 4: Simplify right side
    1,346,139,008.20x = 860,359,211,776,341,760
  5. Step 5: Solve for x
    x = 860,359,211,776,341,760/1,346,139,008.20
  6. Step 6: Final answer
    x = 639,131,030.70

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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.