Home / 418,850,308.95-577,994,776.95-240,106,051.95

Finding the Fourth Proportional to 418,850,308.95, 577,994,776.95 and 240,106,051.95

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Solution

The fourth proportional to 418,850,308.95, 577,994,776.95 and 240,106,051.95 is: 331,335,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,850,308.95 : 577,994,776.95 = 240,106,051.95 : x
  2. Step 2: Convert to fraction form
    418,850,308.95/577,994,776.95 = 240,106,051.95/x
  3. Step 3: Cross multiply
    418,850,308.95x = 577,994,776.95 × 240,106,051.95
  4. Step 4: Simplify right side
    418,850,308.95x = 138,780,043,941,185,360
  5. Step 5: Solve for x
    x = 138,780,043,941,185,360/418,850,308.95
  6. Step 6: Final answer
    x = 331,335,660.92

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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.