Home / 1,117,627,782.54-1,542,256,846.66-615,808,483.88

Finding the Fourth Proportional to 1,117,627,782.54, 1,542,256,846.66 and 615,808,483.88

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Solution

The fourth proportional to 1,117,627,782.54, 1,542,256,846.66 and 615,808,483.88 is: 849,777,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,782.54 : 1,542,256,846.66 = 615,808,483.88 : x
  2. Step 2: Convert to fraction form
    1,117,627,782.54/1,542,256,846.66 = 615,808,483.88/x
  3. Step 3: Cross multiply
    1,117,627,782.54x = 1,542,256,846.66 × 615,808,483.88
  4. Step 4: Simplify right side
    1,117,627,782.54x = 949,734,850,495,244,288
  5. Step 5: Solve for x
    x = 949,734,850,495,244,288/1,117,627,782.54
  6. Step 6: Final answer
    x = 849,777,417.25

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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.