Home / 673,408,831.20-1,010,113,246.80-664,338,904.80

Finding the Fourth Proportional to 673,408,831.20, 1,010,113,246.80 and 664,338,904.80

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Solution

The fourth proportional to 673,408,831.20, 1,010,113,246.80 and 664,338,904.80 is: 996,508,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,408,831.20 : 1,010,113,246.80 = 664,338,904.80 : x
  2. Step 2: Convert to fraction form
    673,408,831.20/1,010,113,246.80 = 664,338,904.80/x
  3. Step 3: Cross multiply
    673,408,831.20x = 1,010,113,246.80 × 664,338,904.80
  4. Step 4: Simplify right side
    673,408,831.20x = 671,057,528,103,084,032
  5. Step 5: Solve for x
    x = 671,057,528,103,084,032/673,408,831.20
  6. Step 6: Final answer
    x = 996,508,357.20

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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.