Home / 727,013,903.80-1,090,492,862.10-242,339,711.80

Finding the Fourth Proportional to 727,013,903.80, 1,090,492,862.10 and 242,339,711.80

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Solution

The fourth proportional to 727,013,903.80, 1,090,492,862.10 and 242,339,711.80 is: 363,500,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,013,903.80 : 1,090,492,862.10 = 242,339,711.80 : x
  2. Step 2: Convert to fraction form
    727,013,903.80/1,090,492,862.10 = 242,339,711.80/x
  3. Step 3: Cross multiply
    727,013,903.80x = 1,090,492,862.10 × 242,339,711.80
  4. Step 4: Simplify right side
    727,013,903.80x = 264,269,725,921,271,136
  5. Step 5: Solve for x
    x = 264,269,725,921,271,136/727,013,903.80
  6. Step 6: Final answer
    x = 363,500,236.43

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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.