Home / 1,123,739,969,806.10-1,550,495,367,831.10-635,998,907,343.80

Finding the Fourth Proportional to 1,123,739,969,806.10, 1,550,495,367,831.10 and 635,998,907,343.80

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Solution

The fourth proportional to 1,123,739,969,806.10, 1,550,495,367,831.10 and 635,998,907,343.80 is: 877,528,063,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,739,969,806.10 : 1,550,495,367,831.10 = 635,998,907,343.80 : x
  2. Step 2: Convert to fraction form
    1,123,739,969,806.10/1,550,495,367,831.10 = 635,998,907,343.80/x
  3. Step 3: Cross multiply
    1,123,739,969,806.10x = 1,550,495,367,831.10 × 635,998,907,343.80
  4. Step 4: Simplify right side
    1,123,739,969,806.10x = 986,113,359,782,203,038,367,744
  5. Step 5: Solve for x
    x = 986,113,359,782,203,038,367,744/1,123,739,969,806.10
  6. Step 6: Final answer
    x = 877,528,063,678.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.