Home / 1,122,487,029.90-1,683,743,830.88-679,926,216.56

Finding the Fourth Proportional to 1,122,487,029.90, 1,683,743,830.88 and 679,926,216.56

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Solution

The fourth proportional to 1,122,487,029.90, 1,683,743,830.88 and 679,926,216.56 is: 1,019,897,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,487,029.90 : 1,683,743,830.88 = 679,926,216.56 : x
  2. Step 2: Convert to fraction form
    1,122,487,029.90/1,683,743,830.88 = 679,926,216.56/x
  3. Step 3: Cross multiply
    1,122,487,029.90x = 1,683,743,830.88 × 679,926,216.56
  4. Step 4: Simplify right side
    1,122,487,029.90x = 1,144,821,572,574,660,480
  5. Step 5: Solve for x
    x = 1,144,821,572,574,660,480/1,122,487,029.90
  6. Step 6: Final answer
    x = 1,019,897,372.60

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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.