Home / 1,009,425,138.62-1,514,671,171.29-716,215,173.64

Finding the Fourth Proportional to 1,009,425,138.62, 1,514,671,171.29 and 716,215,173.64

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Solution

The fourth proportional to 1,009,425,138.62, 1,514,671,171.29 and 716,215,173.64 is: 1,074,701,267.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,425,138.62 : 1,514,671,171.29 = 716,215,173.64 : x
  2. Step 2: Convert to fraction form
    1,009,425,138.62/1,514,671,171.29 = 716,215,173.64/x
  3. Step 3: Cross multiply
    1,009,425,138.62x = 1,514,671,171.29 × 716,215,173.64
  4. Step 4: Simplify right side
    1,009,425,138.62x = 1,084,830,475,949,182,848
  5. Step 5: Solve for x
    x = 1,084,830,475,949,182,848/1,009,425,138.62
  6. Step 6: Final answer
    x = 1,074,701,267.53

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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.