Home / 672,751,551.34-1,009,354,556.31-423,944,172.10

Finding the Fourth Proportional to 672,751,551.34, 1,009,354,556.31 and 423,944,172.10

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Solution

The fourth proportional to 672,751,551.34, 1,009,354,556.31 and 423,944,172.10 is: 636,059,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,751,551.34 : 1,009,354,556.31 = 423,944,172.10 : x
  2. Step 2: Convert to fraction form
    672,751,551.34/1,009,354,556.31 = 423,944,172.10/x
  3. Step 3: Cross multiply
    672,751,551.34x = 1,009,354,556.31 × 423,944,172.10
  4. Step 4: Simplify right side
    672,751,551.34x = 427,909,981,730,205,760
  5. Step 5: Solve for x
    x = 427,909,981,730,205,760/672,751,551.34
  6. Step 6: Final answer
    x = 636,059,450.00

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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.