Home / 1,191,026,281.82-1,643,661,618.48-662,428,491.17

Finding the Fourth Proportional to 1,191,026,281.82, 1,643,661,618.48 and 662,428,491.17

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Solution

The fourth proportional to 1,191,026,281.82, 1,643,661,618.48 and 662,428,491.17 is: 914,176,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,026,281.82 : 1,643,661,618.48 = 662,428,491.17 : x
  2. Step 2: Convert to fraction form
    1,191,026,281.82/1,643,661,618.48 = 662,428,491.17/x
  3. Step 3: Cross multiply
    1,191,026,281.82x = 1,643,661,618.48 × 662,428,491.17
  4. Step 4: Simplify right side
    1,191,026,281.82x = 1,088,808,285,915,528,192
  5. Step 5: Solve for x
    x = 1,088,808,285,915,528,192/1,191,026,281.82
  6. Step 6: Final answer
    x = 914,176,540.47

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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.