Home / 773,499,686.40-1,160,249,529.60-262,896,422.40

Finding the Fourth Proportional to 773,499,686.40, 1,160,249,529.60 and 262,896,422.40

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Solution

The fourth proportional to 773,499,686.40, 1,160,249,529.60 and 262,896,422.40 is: 394,344,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,499,686.40 : 1,160,249,529.60 = 262,896,422.40 : x
  2. Step 2: Convert to fraction form
    773,499,686.40/1,160,249,529.60 = 262,896,422.40/x
  3. Step 3: Cross multiply
    773,499,686.40x = 1,160,249,529.60 × 262,896,422.40
  4. Step 4: Simplify right side
    773,499,686.40x = 305,025,450,423,122,880
  5. Step 5: Solve for x
    x = 305,025,450,423,122,880/773,499,686.40
  6. Step 6: Final answer
    x = 394,344,633.60

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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.