Home / 628,249,348.72-941,148,056.98-489,424,934.44

Finding the Fourth Proportional to 628,249,348.72, 941,148,056.98 and 489,424,934.44

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Solution

The fourth proportional to 628,249,348.72, 941,148,056.98 and 489,424,934.44 is: 733,182,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,249,348.72 : 941,148,056.98 = 489,424,934.44 : x
  2. Step 2: Convert to fraction form
    628,249,348.72/941,148,056.98 = 489,424,934.44/x
  3. Step 3: Cross multiply
    628,249,348.72x = 941,148,056.98 × 489,424,934.44
  4. Step 4: Simplify right side
    628,249,348.72x = 460,621,326,085,769,920
  5. Step 5: Solve for x
    x = 460,621,326,085,769,920/628,249,348.72
  6. Step 6: Final answer
    x = 733,182,337.59

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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.