Home / 1,121,009,991.30-1,681,514,986.95-1,114,552,983.15

Finding the Fourth Proportional to 1,121,009,991.30, 1,681,514,986.95 and 1,114,552,983.15

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Solution

The fourth proportional to 1,121,009,991.30, 1,681,514,986.95 and 1,114,552,983.15 is: 1,671,829,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,009,991.30 : 1,681,514,986.95 = 1,114,552,983.15 : x
  2. Step 2: Convert to fraction form
    1,121,009,991.30/1,681,514,986.95 = 1,114,552,983.15/x
  3. Step 3: Cross multiply
    1,121,009,991.30x = 1,681,514,986.95 × 1,114,552,983.15
  4. Step 4: Simplify right side
    1,121,009,991.30x = 1,874,137,544,916,556,032
  5. Step 5: Solve for x
    x = 1,874,137,544,916,556,032/1,121,009,991.30
  6. Step 6: Final answer
    x = 1,671,829,474.73

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Double scale
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Similar ratio
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1.5x scale

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.