Home / 646,501,929.90-970,361,755.65-340,014,000.30

Finding the Fourth Proportional to 646,501,929.90, 970,361,755.65 and 340,014,000.30

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Solution

The fourth proportional to 646,501,929.90, 970,361,755.65 and 340,014,000.30 is: 510,341,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,501,929.90 : 970,361,755.65 = 340,014,000.30 : x
  2. Step 2: Convert to fraction form
    646,501,929.90/970,361,755.65 = 340,014,000.30/x
  3. Step 3: Cross multiply
    646,501,929.90x = 970,361,755.65 × 340,014,000.30
  4. Step 4: Simplify right side
    646,501,929.90x = 329,936,582,276,687,616
  5. Step 5: Solve for x
    x = 329,936,582,276,687,616/646,501,929.90
  6. Step 6: Final answer
    x = 510,341,217.90

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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.