Home / 673,740,020.60-1,010,610,030.90-213,714,193.40

Finding the Fourth Proportional to 673,740,020.60, 1,010,610,030.90 and 213,714,193.40

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Solution

The fourth proportional to 673,740,020.60, 1,010,610,030.90 and 213,714,193.40 is: 320,571,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,740,020.60 : 1,010,610,030.90 = 213,714,193.40 : x
  2. Step 2: Convert to fraction form
    673,740,020.60/1,010,610,030.90 = 213,714,193.40/x
  3. Step 3: Cross multiply
    673,740,020.60x = 1,010,610,030.90 × 213,714,193.40
  4. Step 4: Simplify right side
    673,740,020.60x = 215,981,707,595,742,592
  5. Step 5: Solve for x
    x = 215,981,707,595,742,592/673,740,020.60
  6. Step 6: Final answer
    x = 320,571,290.10

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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.