Home / 761,873,907.95-1,143,002,845.02-216,615,441.95

Finding the Fourth Proportional to 761,873,907.95, 1,143,002,845.02 and 216,615,441.95

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Solution

The fourth proportional to 761,873,907.95, 1,143,002,845.02 and 216,615,441.95 is: 324,977,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,873,907.95 : 1,143,002,845.02 = 216,615,441.95 : x
  2. Step 2: Convert to fraction form
    761,873,907.95/1,143,002,845.02 = 216,615,441.95/x
  3. Step 3: Cross multiply
    761,873,907.95x = 1,143,002,845.02 × 216,615,441.95
  4. Step 4: Simplify right side
    761,873,907.95x = 247,592,066,424,114,624
  5. Step 5: Solve for x
    x = 247,592,066,424,114,624/761,873,907.95
  6. Step 6: Final answer
    x = 324,977,747.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.