Home / 1,506,331,131.36-2,078,683,942.56-828,143,144.64

Finding the Fourth Proportional to 1,506,331,131.36, 2,078,683,942.56 and 828,143,144.64

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Solution

The fourth proportional to 1,506,331,131.36, 2,078,683,942.56 and 828,143,144.64 is: 1,142,808,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,331,131.36 : 2,078,683,942.56 = 828,143,144.64 : x
  2. Step 2: Convert to fraction form
    1,506,331,131.36/2,078,683,942.56 = 828,143,144.64/x
  3. Step 3: Cross multiply
    1,506,331,131.36x = 2,078,683,942.56 × 828,143,144.64
  4. Step 4: Simplify right side
    1,506,331,131.36x = 1,721,447,856,904,311,552
  5. Step 5: Solve for x
    x = 1,721,447,856,904,311,552/1,506,331,131.36
  6. Step 6: Final answer
    x = 1,142,808,391.24

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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.