Home / 930,509,814.96-1,284,294,093.84-554,386,739.40

Finding the Fourth Proportional to 930,509,814.96, 1,284,294,093.84 and 554,386,739.40

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Solution

The fourth proportional to 930,509,814.96, 1,284,294,093.84 and 554,386,739.40 is: 765,167,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,509,814.96 : 1,284,294,093.84 = 554,386,739.40 : x
  2. Step 2: Convert to fraction form
    930,509,814.96/1,284,294,093.84 = 554,386,739.40/x
  3. Step 3: Cross multiply
    930,509,814.96x = 1,284,294,093.84 × 554,386,739.40
  4. Step 4: Simplify right side
    930,509,814.96x = 711,995,615,114,635,136
  5. Step 5: Solve for x
    x = 711,995,615,114,635,136/930,509,814.96
  6. Step 6: Final answer
    x = 765,167,227.33

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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.