Home / 1,121,009,969.05-1,681,514,953.58-1,114,552,960.90

Finding the Fourth Proportional to 1,121,009,969.05, 1,681,514,953.58 and 1,114,552,960.90

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Solution

The fourth proportional to 1,121,009,969.05, 1,681,514,953.58 and 1,114,552,960.90 is: 1,671,829,441.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,009,969.05 : 1,681,514,953.58 = 1,114,552,960.90 : x
  2. Step 2: Convert to fraction form
    1,121,009,969.05/1,681,514,953.58 = 1,114,552,960.90/x
  3. Step 3: Cross multiply
    1,121,009,969.05x = 1,681,514,953.58 × 1,114,552,960.90
  4. Step 4: Simplify right side
    1,121,009,969.05x = 1,874,137,470,304,642,560
  5. Step 5: Solve for x
    x = 1,874,137,470,304,642,560/1,121,009,969.05
  6. Step 6: Final answer
    x = 1,671,829,441.35

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Double scale
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Similar ratio
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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.