Home / 1,116,921,666.39-1,541,333,094.90-615,177,173.94

Finding the Fourth Proportional to 1,116,921,666.39, 1,541,333,094.90 and 615,177,173.94

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Solution

The fourth proportional to 1,116,921,666.39, 1,541,333,094.90 and 615,177,173.94 is: 848,934,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,921,666.39 : 1,541,333,094.90 = 615,177,173.94 : x
  2. Step 2: Convert to fraction form
    1,116,921,666.39/1,541,333,094.90 = 615,177,173.94/x
  3. Step 3: Cross multiply
    1,116,921,666.39x = 1,541,333,094.90 × 615,177,173.94
  4. Step 4: Simplify right side
    1,116,921,666.39x = 948,192,937,420,775,936
  5. Step 5: Solve for x
    x = 948,192,937,420,775,936/1,116,921,666.39
  6. Step 6: Final answer
    x = 848,934,142.79

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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.