Home / 656,854,906.46-906,462,172.33-355,440,219.50

Finding the Fourth Proportional to 656,854,906.46, 906,462,172.33 and 355,440,219.50

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Solution

The fourth proportional to 656,854,906.46, 906,462,172.33 and 355,440,219.50 is: 490,508,802.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,854,906.46 : 906,462,172.33 = 355,440,219.50 : x
  2. Step 2: Convert to fraction form
    656,854,906.46/906,462,172.33 = 355,440,219.50/x
  3. Step 3: Cross multiply
    656,854,906.46x = 906,462,172.33 × 355,440,219.50
  4. Step 4: Simplify right side
    656,854,906.46x = 322,193,113,502,799,552
  5. Step 5: Solve for x
    x = 322,193,113,502,799,552/656,854,906.46
  6. Step 6: Final answer
    x = 490,508,802.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.