Home / 1,152,081,623.13-1,589,701,611.78-699,724,192.20

Finding the Fourth Proportional to 1,152,081,623.13, 1,589,701,611.78 and 699,724,192.20

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Solution

The fourth proportional to 1,152,081,623.13, 1,589,701,611.78 and 699,724,192.20 is: 965,515,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,081,623.13 : 1,589,701,611.78 = 699,724,192.20 : x
  2. Step 2: Convert to fraction form
    1,152,081,623.13/1,589,701,611.78 = 699,724,192.20/x
  3. Step 3: Cross multiply
    1,152,081,623.13x = 1,589,701,611.78 × 699,724,192.20
  4. Step 4: Simplify right side
    1,152,081,623.13x = 1,112,352,676,141,798,528
  5. Step 5: Solve for x
    x = 1,112,352,676,141,798,528/1,152,081,623.13
  6. Step 6: Final answer
    x = 965,515,510.19

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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.