Home / 1,107,359,175.60-1,661,038,763.40-289,554,145.20

Finding the Fourth Proportional to 1,107,359,175.60, 1,661,038,763.40 and 289,554,145.20

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Solution

The fourth proportional to 1,107,359,175.60, 1,661,038,763.40 and 289,554,145.20 is: 434,331,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,359,175.60 : 1,661,038,763.40 = 289,554,145.20 : x
  2. Step 2: Convert to fraction form
    1,107,359,175.60/1,661,038,763.40 = 289,554,145.20/x
  3. Step 3: Cross multiply
    1,107,359,175.60x = 1,661,038,763.40 × 289,554,145.20
  4. Step 4: Simplify right side
    1,107,359,175.60x = 480,960,659,280,352,064
  5. Step 5: Solve for x
    x = 480,960,659,280,352,064/1,107,359,175.60
  6. Step 6: Final answer
    x = 434,331,217.80

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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.