Home / 989,529,244.36-1,364,922,850.91-607,884,272.44

Finding the Fourth Proportional to 989,529,244.36, 1,364,922,850.91 and 607,884,272.44

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Solution

The fourth proportional to 989,529,244.36, 1,364,922,850.91 and 607,884,272.44 is: 838,494,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,529,244.36 : 1,364,922,850.91 = 607,884,272.44 : x
  2. Step 2: Convert to fraction form
    989,529,244.36/1,364,922,850.91 = 607,884,272.44/x
  3. Step 3: Cross multiply
    989,529,244.36x = 1,364,922,850.91 × 607,884,272.44
  4. Step 4: Simplify right side
    989,529,244.36x = 829,715,134,155,704,192
  5. Step 5: Solve for x
    x = 829,715,134,155,704,192/989,529,244.36
  6. Step 6: Final answer
    x = 838,494,808.40

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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.