Home / 1,117,627,778.02-1,542,256,840.47-615,808,479.37

Finding the Fourth Proportional to 1,117,627,778.02, 1,542,256,840.47 and 615,808,479.37

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Solution

The fourth proportional to 1,117,627,778.02, 1,542,256,840.47 and 615,808,479.37 is: 849,777,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,778.02 : 1,542,256,840.47 = 615,808,479.37 : x
  2. Step 2: Convert to fraction form
    1,117,627,778.02/1,542,256,840.47 = 615,808,479.37/x
  3. Step 3: Cross multiply
    1,117,627,778.02x = 1,542,256,840.47 × 615,808,479.37
  4. Step 4: Simplify right side
    1,117,627,778.02x = 949,734,839,717,021,056
  5. Step 5: Solve for x
    x = 949,734,839,717,021,056/1,117,627,778.02
  6. Step 6: Final answer
    x = 849,777,411.04

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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.