Home / 776,552,486.40-1,164,828,729.60-706,260,556.80

Finding the Fourth Proportional to 776,552,486.40, 1,164,828,729.60 and 706,260,556.80

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Solution

The fourth proportional to 776,552,486.40, 1,164,828,729.60 and 706,260,556.80 is: 1,059,390,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,552,486.40 : 1,164,828,729.60 = 706,260,556.80 : x
  2. Step 2: Convert to fraction form
    776,552,486.40/1,164,828,729.60 = 706,260,556.80/x
  3. Step 3: Cross multiply
    776,552,486.40x = 1,164,828,729.60 × 706,260,556.80
  4. Step 4: Simplify right side
    776,552,486.40x = 822,672,587,143,932,544
  5. Step 5: Solve for x
    x = 822,672,587,143,932,544/776,552,486.40
  6. Step 6: Final answer
    x = 1,059,390,835.20

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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.