Home / 1,545,294,479.20-2,317,941,718.80-931,562,792.80

Finding the Fourth Proportional to 1,545,294,479.20, 2,317,941,718.80 and 931,562,792.80

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Solution

The fourth proportional to 1,545,294,479.20, 2,317,941,718.80 and 931,562,792.80 is: 1,397,344,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,294,479.20 : 2,317,941,718.80 = 931,562,792.80 : x
  2. Step 2: Convert to fraction form
    1,545,294,479.20/2,317,941,718.80 = 931,562,792.80/x
  3. Step 3: Cross multiply
    1,545,294,479.20x = 2,317,941,718.80 × 931,562,792.80
  4. Step 4: Simplify right side
    1,545,294,479.20x = 2,159,308,261,112,960,256
  5. Step 5: Solve for x
    x = 2,159,308,261,112,960,256/1,545,294,479.20
  6. Step 6: Final answer
    x = 1,397,344,189.20

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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.