Home / 538,513,405.60-807,770,108.40-446,680,400.80

Finding the Fourth Proportional to 538,513,405.60, 807,770,108.40 and 446,680,400.80

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Solution

The fourth proportional to 538,513,405.60, 807,770,108.40 and 446,680,400.80 is: 670,020,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,513,405.60 : 807,770,108.40 = 446,680,400.80 : x
  2. Step 2: Convert to fraction form
    538,513,405.60/807,770,108.40 = 446,680,400.80/x
  3. Step 3: Cross multiply
    538,513,405.60x = 807,770,108.40 × 446,680,400.80
  4. Step 4: Simplify right side
    538,513,405.60x = 360,815,075,774,371,456
  5. Step 5: Solve for x
    x = 360,815,075,774,371,456/538,513,405.60
  6. Step 6: Final answer
    x = 670,020,601.20

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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.