Home / 646,501,929.40-970,361,754.90-340,013,999.80

Finding the Fourth Proportional to 646,501,929.40, 970,361,754.90 and 340,013,999.80

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Solution

The fourth proportional to 646,501,929.40, 970,361,754.90 and 340,013,999.80 is: 510,341,217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,501,929.40 : 970,361,754.90 = 340,013,999.80 : x
  2. Step 2: Convert to fraction form
    646,501,929.40/970,361,754.90 = 340,013,999.80/x
  3. Step 3: Cross multiply
    646,501,929.40x = 970,361,754.90 × 340,013,999.80
  4. Step 4: Simplify right side
    646,501,929.40x = 329,936,581,536,496,256
  5. Step 5: Solve for x
    x = 329,936,581,536,496,256/646,501,929.40
  6. Step 6: Final answer
    x = 510,341,217.14

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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.