Home / 403,704,953.76-557,113,060.44-218,065,971

Finding the Fourth Proportional to 403,704,953.76, 557,113,060.44 and 218,065,971

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Solution

The fourth proportional to 403,704,953.76, 557,113,060.44 and 218,065,971 is: 300,931,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,953.76 : 557,113,060.44 = 218,065,971 : x
  2. Step 2: Convert to fraction form
    403,704,953.76/557,113,060.44 = 218,065,971/x
  3. Step 3: Cross multiply
    403,704,953.76x = 557,113,060.44 × 218,065,971
  4. Step 4: Simplify right side
    403,704,953.76x = 121,487,400,481,630,304
  5. Step 5: Solve for x
    x = 121,487,400,481,630,304/403,704,953.76
  6. Step 6: Final answer
    x = 300,931,161.11

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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.