Home / 1,117,627,812.47-1,542,256,887.98-615,808,513.81

Finding the Fourth Proportional to 1,117,627,812.47, 1,542,256,887.98 and 615,808,513.81

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Solution

The fourth proportional to 1,117,627,812.47, 1,542,256,887.98 and 615,808,513.81 is: 849,777,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,627,812.47 : 1,542,256,887.98 = 615,808,513.81 : x
  2. Step 2: Convert to fraction form
    1,117,627,812.47/1,542,256,887.98 = 615,808,513.81/x
  3. Step 3: Cross multiply
    1,117,627,812.47x = 1,542,256,887.98 × 615,808,513.81
  4. Step 4: Simplify right side
    1,117,627,812.47x = 949,734,922,097,120,256
  5. Step 5: Solve for x
    x = 949,734,922,097,120,256/1,117,627,812.47
  6. Step 6: Final answer
    x = 849,777,458.56

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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.