Home / 340,598,518.80-510,897,778.20-98,269,328.40

Finding the Fourth Proportional to 340,598,518.80, 510,897,778.20 and 98,269,328.40

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Solution

The fourth proportional to 340,598,518.80, 510,897,778.20 and 98,269,328.40 is: 147,403,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,598,518.80 : 510,897,778.20 = 98,269,328.40 : x
  2. Step 2: Convert to fraction form
    340,598,518.80/510,897,778.20 = 98,269,328.40/x
  3. Step 3: Cross multiply
    340,598,518.80x = 510,897,778.20 × 98,269,328.40
  4. Step 4: Simplify right side
    340,598,518.80x = 50,205,581,544,766,160
  5. Step 5: Solve for x
    x = 50,205,581,544,766,160/340,598,518.80
  6. Step 6: Final answer
    x = 147,403,992.60

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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.