Home / 401,424,815.01-552,934,079.99-283,747,834.38

Finding the Fourth Proportional to 401,424,815.01, 552,934,079.99 and 283,747,834.38

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Solution

The fourth proportional to 401,424,815.01, 552,934,079.99 and 283,747,834.38 is: 390,842,424.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,424,815.01 : 552,934,079.99 = 283,747,834.38 : x
  2. Step 2: Convert to fraction form
    401,424,815.01/552,934,079.99 = 283,747,834.38/x
  3. Step 3: Cross multiply
    401,424,815.01x = 552,934,079.99 × 283,747,834.38
  4. Step 4: Simplify right side
    401,424,815.01x = 156,893,847,750,641,440
  5. Step 5: Solve for x
    x = 156,893,847,750,641,440/401,424,815.01
  6. Step 6: Final answer
    x = 390,842,424.00

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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.