Home / 403,704,944.76-557,113,048.02-218,065,962

Finding the Fourth Proportional to 403,704,944.76, 557,113,048.02 and 218,065,962

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Solution

The fourth proportional to 403,704,944.76, 557,113,048.02 and 218,065,962 is: 300,931,148.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,944.76 : 557,113,048.02 = 218,065,962 : x
  2. Step 2: Convert to fraction form
    403,704,944.76/557,113,048.02 = 218,065,962/x
  3. Step 3: Cross multiply
    403,704,944.76x = 557,113,048.02 × 218,065,962
  4. Step 4: Simplify right side
    403,704,944.76x = 121,487,392,759,233,488
  5. Step 5: Solve for x
    x = 121,487,392,759,233,488/403,704,944.76
  6. Step 6: Final answer
    x = 300,931,148.69

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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.