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Finding the Fourth Proportional to 628,766,572.68, 867,701,285.04 and 360,821,070.60

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Solution

The fourth proportional to 628,766,572.68, 867,701,285.04 and 360,821,070.60 is: 497,935,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,766,572.68 : 867,701,285.04 = 360,821,070.60 : x
  2. Step 2: Convert to fraction form
    628,766,572.68/867,701,285.04 = 360,821,070.60/x
  3. Step 3: Cross multiply
    628,766,572.68x = 867,701,285.04 × 360,821,070.60
  4. Step 4: Simplify right side
    628,766,572.68x = 313,084,906,629,128,576
  5. Step 5: Solve for x
    x = 313,084,906,629,128,576/628,766,572.68
  6. Step 6: Final answer
    x = 497,935,037.00

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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.