Home / 557,554,473.46-769,393,584.93-310,030,513.30

Finding the Fourth Proportional to 557,554,473.46, 769,393,584.93 and 310,030,513.30

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Solution

The fourth proportional to 557,554,473.46, 769,393,584.93 and 310,030,513.30 is: 427,824,543.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,554,473.46 : 769,393,584.93 = 310,030,513.30 : x
  2. Step 2: Convert to fraction form
    557,554,473.46/769,393,584.93 = 310,030,513.30/x
  3. Step 3: Cross multiply
    557,554,473.46x = 769,393,584.93 × 310,030,513.30
  4. Step 4: Simplify right side
    557,554,473.46x = 238,535,488,065,575,040
  5. Step 5: Solve for x
    x = 238,535,488,065,575,040/557,554,473.46
  6. Step 6: Final answer
    x = 427,824,543.47

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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.