Home / 1,549,980,945.78-2,139,008,992.86-880,820,553.56

Finding the Fourth Proportional to 1,549,980,945.78, 2,139,008,992.86 and 880,820,553.56

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Solution

The fourth proportional to 1,549,980,945.78, 2,139,008,992.86 and 880,820,553.56 is: 1,215,552,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,980,945.78 : 2,139,008,992.86 = 880,820,553.56 : x
  2. Step 2: Convert to fraction form
    1,549,980,945.78/2,139,008,992.86 = 880,820,553.56/x
  3. Step 3: Cross multiply
    1,549,980,945.78x = 2,139,008,992.86 × 880,820,553.56
  4. Step 4: Simplify right side
    1,549,980,945.78x = 1,884,083,085,160,763,136
  5. Step 5: Solve for x
    x = 1,884,083,085,160,763,136/1,549,980,945.78
  6. Step 6: Final answer
    x = 1,215,552,417.14

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Double scale
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1.5x scale

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.