Home / 699,038,835-964,671,615-385,770,809.04

Finding the Fourth Proportional to 699,038,835, 964,671,615 and 385,770,809.04

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Solution

The fourth proportional to 699,038,835, 964,671,615 and 385,770,809.04 is: 532,362,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,038,835 : 964,671,615 = 385,770,809.04 : x
  2. Step 2: Convert to fraction form
    699,038,835/964,671,615 = 385,770,809.04/x
  3. Step 3: Cross multiply
    699,038,835x = 964,671,615 × 385,770,809.04
  4. Step 4: Simplify right side
    699,038,835x = 372,142,149,376,473,408
  5. Step 5: Solve for x
    x = 372,142,149,376,473,408/699,038,835
  6. Step 6: Final answer
    x = 532,362,625.28

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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.