Home / 673,740,020.10-1,010,610,030.15-213,714,192.90

Finding the Fourth Proportional to 673,740,020.10, 1,010,610,030.15 and 213,714,192.90

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Solution

The fourth proportional to 673,740,020.10, 1,010,610,030.15 and 213,714,192.90 is: 320,571,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,740,020.10 : 1,010,610,030.15 = 213,714,192.90 : x
  2. Step 2: Convert to fraction form
    673,740,020.10/1,010,610,030.15 = 213,714,192.90/x
  3. Step 3: Cross multiply
    673,740,020.10x = 1,010,610,030.15 × 213,714,192.90
  4. Step 4: Simplify right side
    673,740,020.10x = 215,981,706,930,151,904
  5. Step 5: Solve for x
    x = 215,981,706,930,151,904/673,740,020.10
  6. Step 6: Final answer
    x = 320,571,289.35

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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.