Home / 1,121,009,969.55-1,681,514,954.33-1,114,552,961.40

Finding the Fourth Proportional to 1,121,009,969.55, 1,681,514,954.33 and 1,114,552,961.40

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Solution

The fourth proportional to 1,121,009,969.55, 1,681,514,954.33 and 1,114,552,961.40 is: 1,671,829,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,009,969.55 : 1,681,514,954.33 = 1,114,552,961.40 : x
  2. Step 2: Convert to fraction form
    1,121,009,969.55/1,681,514,954.33 = 1,114,552,961.40/x
  3. Step 3: Cross multiply
    1,121,009,969.55x = 1,681,514,954.33 × 1,114,552,961.40
  4. Step 4: Simplify right side
    1,121,009,969.55x = 1,874,137,471,986,887,424
  5. Step 5: Solve for x
    x = 1,874,137,471,986,887,424/1,121,009,969.55
  6. Step 6: Final answer
    x = 1,671,829,442.10

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Double scale
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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.