Home / 664,276,426.80-996,414,640.20-434,952,855.60

Finding the Fourth Proportional to 664,276,426.80, 996,414,640.20 and 434,952,855.60

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Solution

The fourth proportional to 664,276,426.80, 996,414,640.20 and 434,952,855.60 is: 652,429,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,276,426.80 : 996,414,640.20 = 434,952,855.60 : x
  2. Step 2: Convert to fraction form
    664,276,426.80/996,414,640.20 = 434,952,855.60/x
  3. Step 3: Cross multiply
    664,276,426.80x = 996,414,640.20 × 434,952,855.60
  4. Step 4: Simplify right side
    664,276,426.80x = 433,393,393,116,636,608
  5. Step 5: Solve for x
    x = 433,393,393,116,636,608/664,276,426.80
  6. Step 6: Final answer
    x = 652,429,283.40

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1.5x scale

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.