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Finding the Fourth Proportional to 551,367,559.10, 760,887,389.68 and 300,472,021.33

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Solution

The fourth proportional to 551,367,559.10, 760,887,389.68 and 300,472,021.33 is: 414,651,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,367,559.10 : 760,887,389.68 = 300,472,021.33 : x
  2. Step 2: Convert to fraction form
    551,367,559.10/760,887,389.68 = 300,472,021.33/x
  3. Step 3: Cross multiply
    551,367,559.10x = 760,887,389.68 × 300,472,021.33
  4. Step 4: Simplify right side
    551,367,559.10x = 228,625,371,979,003,584
  5. Step 5: Solve for x
    x = 228,625,371,979,003,584/551,367,559.10
  6. Step 6: Final answer
    x = 414,651,475.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.