Home / 1,039,798,370.64-1,435,079,851.56-663,617,263.44

Finding the Fourth Proportional to 1,039,798,370.64, 1,435,079,851.56 and 663,617,263.44

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Solution

The fourth proportional to 1,039,798,370.64, 1,435,079,851.56 and 663,617,263.44 is: 915,892,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,798,370.64 : 1,435,079,851.56 = 663,617,263.44 : x
  2. Step 2: Convert to fraction form
    1,039,798,370.64/1,435,079,851.56 = 663,617,263.44/x
  3. Step 3: Cross multiply
    1,039,798,370.64x = 1,435,079,851.56 × 663,617,263.44
  4. Step 4: Simplify right side
    1,039,798,370.64x = 952,343,763,910,128,640
  5. Step 5: Solve for x
    x = 952,343,763,910,128,640/1,039,798,370.64
  6. Step 6: Final answer
    x = 915,892,725.74

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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.