Home / 455,869,296,005.40-683,803,944,008.10-220,776,803,717.40

Finding the Fourth Proportional to 455,869,296,005.40, 683,803,944,008.10 and 220,776,803,717.40

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Solution

The fourth proportional to 455,869,296,005.40, 683,803,944,008.10 and 220,776,803,717.40 is: 331,165,205,576.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,869,296,005.40 : 683,803,944,008.10 = 220,776,803,717.40 : x
  2. Step 2: Convert to fraction form
    455,869,296,005.40/683,803,944,008.10 = 220,776,803,717.40/x
  3. Step 3: Cross multiply
    455,869,296,005.40x = 683,803,944,008.10 × 220,776,803,717.40
  4. Step 4: Simplify right side
    455,869,296,005.40x = 150,968,049,127,460,270,243,840
  5. Step 5: Solve for x
    x = 150,968,049,127,460,270,243,840/455,869,296,005.40
  6. Step 6: Final answer
    x = 331,165,205,576.10

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Double scale
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Similar ratio
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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.