Home / 1,093,065,399.20-1,639,598,098.80-316,736,386.40

Finding the Fourth Proportional to 1,093,065,399.20, 1,639,598,098.80 and 316,736,386.40

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Solution

The fourth proportional to 1,093,065,399.20, 1,639,598,098.80 and 316,736,386.40 is: 475,104,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,065,399.20 : 1,639,598,098.80 = 316,736,386.40 : x
  2. Step 2: Convert to fraction form
    1,093,065,399.20/1,639,598,098.80 = 316,736,386.40/x
  3. Step 3: Cross multiply
    1,093,065,399.20x = 1,639,598,098.80 × 316,736,386.40
  4. Step 4: Simplify right side
    1,093,065,399.20x = 519,320,376,962,222,144
  5. Step 5: Solve for x
    x = 519,320,376,962,222,144/1,093,065,399.20
  6. Step 6: Final answer
    x = 475,104,579.60

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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.