Home / 971,028,003.40-1,456,542,005.10-425,769,537.40

Finding the Fourth Proportional to 971,028,003.40, 1,456,542,005.10 and 425,769,537.40

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Solution

The fourth proportional to 971,028,003.40, 1,456,542,005.10 and 425,769,537.40 is: 638,654,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,028,003.40 : 1,456,542,005.10 = 425,769,537.40 : x
  2. Step 2: Convert to fraction form
    971,028,003.40/1,456,542,005.10 = 425,769,537.40/x
  3. Step 3: Cross multiply
    971,028,003.40x = 1,456,542,005.10 × 425,769,537.40
  4. Step 4: Simplify right side
    971,028,003.40x = 620,151,215,715,095,424
  5. Step 5: Solve for x
    x = 620,151,215,715,095,424/971,028,003.40
  6. Step 6: Final answer
    x = 638,654,306.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.