Home / 742,663,689.22-1,114,032,536.52-282,637,512.10

Finding the Fourth Proportional to 742,663,689.22, 1,114,032,536.52 and 282,637,512.10

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Solution

The fourth proportional to 742,663,689.22, 1,114,032,536.52 and 282,637,512.10 is: 423,970,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,663,689.22 : 1,114,032,536.52 = 282,637,512.10 : x
  2. Step 2: Convert to fraction form
    742,663,689.22/1,114,032,536.52 = 282,637,512.10/x
  3. Step 3: Cross multiply
    742,663,689.22x = 1,114,032,536.52 × 282,637,512.10
  4. Step 4: Simplify right side
    742,663,689.22x = 314,867,384,520,465,216
  5. Step 5: Solve for x
    x = 314,867,384,520,465,216/742,663,689.22
  6. Step 6: Final answer
    x = 423,970,350.36

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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.