Home / 627,117,507.29-940,615,477.22-190,422,030.11

Finding the Fourth Proportional to 627,117,507.29, 940,615,477.22 and 190,422,030.11

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Solution

The fourth proportional to 627,117,507.29, 940,615,477.22 and 190,422,030.11 is: 285,614,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,117,507.29 : 940,615,477.22 = 190,422,030.11 : x
  2. Step 2: Convert to fraction form
    627,117,507.29/940,615,477.22 = 190,422,030.11/x
  3. Step 3: Cross multiply
    627,117,507.29x = 940,615,477.22 × 190,422,030.11
  4. Step 4: Simplify right side
    627,117,507.29x = 179,113,908,720,891,808
  5. Step 5: Solve for x
    x = 179,113,908,720,891,808/627,117,507.29
  6. Step 6: Final answer
    x = 285,614,588.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.