Home / 1,688,445,622-2,330,055,179.22-935,807,388.11

Finding the Fourth Proportional to 1,688,445,622, 2,330,055,179.22 and 935,807,388.11

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Solution

The fourth proportional to 1,688,445,622, 2,330,055,179.22 and 935,807,388.11 is: 1,291,414,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,445,622 : 2,330,055,179.22 = 935,807,388.11 : x
  2. Step 2: Convert to fraction form
    1,688,445,622/2,330,055,179.22 = 935,807,388.11/x
  3. Step 3: Cross multiply
    1,688,445,622x = 2,330,055,179.22 × 935,807,388.11
  4. Step 4: Simplify right side
    1,688,445,622x = 2,180,482,851,418,045,952
  5. Step 5: Solve for x
    x = 2,180,482,851,418,045,952/1,688,445,622
  6. Step 6: Final answer
    x = 1,291,414,318.00

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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.