Home / 920,951,389.44-1,271,042,547.84-586,317,018.24

Finding the Fourth Proportional to 920,951,389.44, 1,271,042,547.84 and 586,317,018.24

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Solution

The fourth proportional to 920,951,389.44, 1,271,042,547.84 and 586,317,018.24 is: 809,200,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,951,389.44 : 1,271,042,547.84 = 586,317,018.24 : x
  2. Step 2: Convert to fraction form
    920,951,389.44/1,271,042,547.84 = 586,317,018.24/x
  3. Step 3: Cross multiply
    920,951,389.44x = 1,271,042,547.84 × 586,317,018.24
  4. Step 4: Simplify right side
    920,951,389.44x = 745,233,876,705,721,344
  5. Step 5: Solve for x
    x = 745,233,876,705,721,344/920,951,389.44
  6. Step 6: Final answer
    x = 809,200,013.43

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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.