Home / 406,074,758,466.30-609,112,137,699.45-217,788,400,812.30

Finding the Fourth Proportional to 406,074,758,466.30, 609,112,137,699.45 and 217,788,400,812.30

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Solution

The fourth proportional to 406,074,758,466.30, 609,112,137,699.45 and 217,788,400,812.30 is: 326,682,601,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,074,758,466.30 : 609,112,137,699.45 = 217,788,400,812.30 : x
  2. Step 2: Convert to fraction form
    406,074,758,466.30/609,112,137,699.45 = 217,788,400,812.30/x
  3. Step 3: Cross multiply
    406,074,758,466.30x = 609,112,137,699.45 × 217,788,400,812.30
  4. Step 4: Simplify right side
    406,074,758,466.30x = 132,657,558,384,924,669,509,632
  5. Step 5: Solve for x
    x = 132,657,558,384,924,669,509,632/406,074,758,466.30
  6. Step 6: Final answer
    x = 326,682,601,218.45

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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.