Home / 554,730,572.67-765,528,603-300,413,903.43

Finding the Fourth Proportional to 554,730,572.67, 765,528,603 and 300,413,903.43

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Solution

The fourth proportional to 554,730,572.67, 765,528,603 and 300,413,903.43 is: 414,571,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,730,572.67 : 765,528,603 = 300,413,903.43 : x
  2. Step 2: Convert to fraction form
    554,730,572.67/765,528,603 = 300,413,903.43/x
  3. Step 3: Cross multiply
    554,730,572.67x = 765,528,603 × 300,413,903.43
  4. Step 4: Simplify right side
    554,730,572.67x = 229,975,435,814,544,800
  5. Step 5: Solve for x
    x = 229,975,435,814,544,800/554,730,572.67
  6. Step 6: Final answer
    x = 414,571,410.24

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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.