Home / 612,812,022.50-845,941,533.60-411,985,369.01

Finding the Fourth Proportional to 612,812,022.50, 845,941,533.60 and 411,985,369.01

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Solution

The fourth proportional to 612,812,022.50, 845,941,533.60 and 411,985,369.01 is: 568,715,237.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,812,022.50 : 845,941,533.60 = 411,985,369.01 : x
  2. Step 2: Convert to fraction form
    612,812,022.50/845,941,533.60 = 411,985,369.01/x
  3. Step 3: Cross multiply
    612,812,022.50x = 845,941,533.60 × 411,985,369.01
  4. Step 4: Simplify right side
    612,812,022.50x = 348,515,534,881,081,344
  5. Step 5: Solve for x
    x = 348,515,534,881,081,344/612,812,022.50
  6. Step 6: Final answer
    x = 568,715,237.44

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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.