Home / 1,171,995,196.97-1,617,311,524.98-663,346,989.39

Finding the Fourth Proportional to 1,171,995,196.97, 1,617,311,524.98 and 663,346,989.39

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Solution

The fourth proportional to 1,171,995,196.97, 1,617,311,524.98 and 663,346,989.39 is: 915,395,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,995,196.97 : 1,617,311,524.98 = 663,346,989.39 : x
  2. Step 2: Convert to fraction form
    1,171,995,196.97/1,617,311,524.98 = 663,346,989.39/x
  3. Step 3: Cross multiply
    1,171,995,196.97x = 1,617,311,524.98 × 663,346,989.39
  4. Step 4: Simplify right side
    1,171,995,196.97x = 1,072,838,731,001,232,768
  5. Step 5: Solve for x
    x = 1,072,838,731,001,232,768/1,171,995,196.97
  6. Step 6: Final answer
    x = 915,395,160.13

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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.