Home / 1,942,287,551.70-2,913,431,327.55-1,360,678,521.30

Finding the Fourth Proportional to 1,942,287,551.70, 2,913,431,327.55 and 1,360,678,521.30

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Solution

The fourth proportional to 1,942,287,551.70, 2,913,431,327.55 and 1,360,678,521.30 is: 2,041,017,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,287,551.70 : 2,913,431,327.55 = 1,360,678,521.30 : x
  2. Step 2: Convert to fraction form
    1,942,287,551.70/2,913,431,327.55 = 1,360,678,521.30/x
  3. Step 3: Cross multiply
    1,942,287,551.70x = 2,913,431,327.55 × 1,360,678,521.30
  4. Step 4: Simplify right side
    1,942,287,551.70x = 3,964,243,430,679,830,016
  5. Step 5: Solve for x
    x = 3,964,243,430,679,830,016/1,942,287,551.70
  6. Step 6: Final answer
    x = 2,041,017,781.95

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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.