Home / 620,959,285,514.70-931,438,928,272.05-514,961,039,724.30

Finding the Fourth Proportional to 620,959,285,514.70, 931,438,928,272.05 and 514,961,039,724.30

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Solution

The fourth proportional to 620,959,285,514.70, 931,438,928,272.05 and 514,961,039,724.30 is: 772,441,559,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,959,285,514.70 : 931,438,928,272.05 = 514,961,039,724.30 : x
  2. Step 2: Convert to fraction form
    620,959,285,514.70/931,438,928,272.05 = 514,961,039,724.30/x
  3. Step 3: Cross multiply
    620,959,285,514.70x = 931,438,928,272.05 × 514,961,039,724.30
  4. Step 4: Simplify right side
    620,959,285,514.70x = 479,654,758,942,662,599,901,184
  5. Step 5: Solve for x
    x = 479,654,758,942,662,599,901,184/620,959,285,514.70
  6. Step 6: Final answer
    x = 772,441,559,586.45

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Double scale
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Similar ratio
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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.