Home / 623,755,330.80-934,625,226.60-393,312,015.60

Finding the Fourth Proportional to 623,755,330.80, 934,625,226.60 and 393,312,015.60

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Solution

The fourth proportional to 623,755,330.80, 934,625,226.60 and 393,312,015.60 is: 589,332,569.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,755,330.80 : 934,625,226.60 = 393,312,015.60 : x
  2. Step 2: Convert to fraction form
    623,755,330.80/934,625,226.60 = 393,312,015.60/x
  3. Step 3: Cross multiply
    623,755,330.80x = 934,625,226.60 × 393,312,015.60
  4. Step 4: Simplify right side
    623,755,330.80x = 367,599,331,704,652,736
  5. Step 5: Solve for x
    x = 367,599,331,704,652,736/623,755,330.80
  6. Step 6: Final answer
    x = 589,332,569.28

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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.