Home / 403,704,952.76-557,113,059.06-218,065,970

Finding the Fourth Proportional to 403,704,952.76, 557,113,059.06 and 218,065,970

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Solution

The fourth proportional to 403,704,952.76, 557,113,059.06 and 218,065,970 is: 300,931,159.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,952.76 : 557,113,059.06 = 218,065,970 : x
  2. Step 2: Convert to fraction form
    403,704,952.76/557,113,059.06 = 218,065,970/x
  3. Step 3: Cross multiply
    403,704,952.76x = 557,113,059.06 × 218,065,970
  4. Step 4: Simplify right side
    403,704,952.76x = 121,487,399,623,586,176
  5. Step 5: Solve for x
    x = 121,487,399,623,586,176/403,704,952.76
  6. Step 6: Final answer
    x = 300,931,159.73

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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.