Home / 345,306,510.40-517,876,821.60-199,424,603.20

Finding the Fourth Proportional to 345,306,510.40, 517,876,821.60 and 199,424,603.20

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Solution

The fourth proportional to 345,306,510.40, 517,876,821.60 and 199,424,603.20 is: 299,089,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,306,510.40 : 517,876,821.60 = 199,424,603.20 : x
  2. Step 2: Convert to fraction form
    345,306,510.40/517,876,821.60 = 199,424,603.20/x
  3. Step 3: Cross multiply
    345,306,510.40x = 517,876,821.60 × 199,424,603.20
  4. Step 4: Simplify right side
    345,306,510.40x = 103,277,379,654,057,184
  5. Step 5: Solve for x
    x = 103,277,379,654,057,184/345,306,510.40
  6. Step 6: Final answer
    x = 299,089,002.22

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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.