Home / 1,191,026,282.57-1,643,661,619.52-662,428,491.92

Finding the Fourth Proportional to 1,191,026,282.57, 1,643,661,619.52 and 662,428,491.92

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Solution

The fourth proportional to 1,191,026,282.57, 1,643,661,619.52 and 662,428,491.92 is: 914,176,541.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,026,282.57 : 1,643,661,619.52 = 662,428,491.92 : x
  2. Step 2: Convert to fraction form
    1,191,026,282.57/1,643,661,619.52 = 662,428,491.92/x
  3. Step 3: Cross multiply
    1,191,026,282.57x = 1,643,661,619.52 × 662,428,491.92
  4. Step 4: Simplify right side
    1,191,026,282.57x = 1,088,808,287,833,888,000
  5. Step 5: Solve for x
    x = 1,088,808,287,833,888,000/1,191,026,282.57
  6. Step 6: Final answer
    x = 914,176,541.50

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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.