Home / 989,066,893.04-1,364,914,998.13-543,059,144.74

Finding the Fourth Proportional to 989,066,893.04, 1,364,914,998.13 and 543,059,144.74

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Solution

The fourth proportional to 989,066,893.04, 1,364,914,998.13 and 543,059,144.74 is: 749,423,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,066,893.04 : 1,364,914,998.13 = 543,059,144.74 : x
  2. Step 2: Convert to fraction form
    989,066,893.04/1,364,914,998.13 = 543,059,144.74/x
  3. Step 3: Cross multiply
    989,066,893.04x = 1,364,914,998.13 × 543,059,144.74
  4. Step 4: Simplify right side
    989,066,893.04x = 741,229,571,527,276,544
  5. Step 5: Solve for x
    x = 741,229,571,527,276,544/989,066,893.04
  6. Step 6: Final answer
    x = 749,423,094.38

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Half scale
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Double scale
Find fourth proportional to 989,066,894.04, 1,364,914,999.51 and 543,059,145.74
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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.