Home / 1,191,026,283.57-1,643,661,620.90-662,428,492.92

Finding the Fourth Proportional to 1,191,026,283.57, 1,643,661,620.90 and 662,428,492.92

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Solution

The fourth proportional to 1,191,026,283.57, 1,643,661,620.90 and 662,428,492.92 is: 914,176,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,026,283.57 : 1,643,661,620.90 = 662,428,492.92 : x
  2. Step 2: Convert to fraction form
    1,191,026,283.57/1,643,661,620.90 = 662,428,492.92/x
  3. Step 3: Cross multiply
    1,191,026,283.57x = 1,643,661,620.90 × 662,428,492.92
  4. Step 4: Simplify right side
    1,191,026,283.57x = 1,088,808,290,403,231,360
  5. Step 5: Solve for x
    x = 1,088,808,290,403,231,360/1,191,026,283.57
  6. Step 6: Final answer
    x = 914,176,542.89

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Half scale
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Double scale
Find fourth proportional to 1,191,026,284.57, 1,643,661,622.28 and 662,428,493.92
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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.