Home / 935,850,936.32-1,291,514,646.24-518,163,258.54

Finding the Fourth Proportional to 935,850,936.32, 1,291,514,646.24 and 518,163,258.54

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Solution

The fourth proportional to 935,850,936.32, 1,291,514,646.24 and 518,163,258.54 is: 715,087,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,850,936.32 : 1,291,514,646.24 = 518,163,258.54 : x
  2. Step 2: Convert to fraction form
    935,850,936.32/1,291,514,646.24 = 518,163,258.54/x
  3. Step 3: Cross multiply
    935,850,936.32x = 1,291,514,646.24 × 518,163,258.54
  4. Step 4: Simplify right side
    935,850,936.32x = 669,215,437,547,853,824
  5. Step 5: Solve for x
    x = 669,215,437,547,853,824/935,850,936.32
  6. Step 6: Final answer
    x = 715,087,640.11

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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.