Home / 424,979,955.33-637,655,193.77-148,829,269.61

Finding the Fourth Proportional to 424,979,955.33, 637,655,193.77 and 148,829,269.61

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Solution

The fourth proportional to 424,979,955.33, 637,655,193.77 and 148,829,269.61 is: 223,308,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,979,955.33 : 637,655,193.77 = 148,829,269.61 : x
  2. Step 2: Convert to fraction form
    424,979,955.33/637,655,193.77 = 148,829,269.61/x
  3. Step 3: Cross multiply
    424,979,955.33x = 637,655,193.77 × 148,829,269.61
  4. Step 4: Simplify right side
    424,979,955.33x = 94,901,756,747,879,696
  5. Step 5: Solve for x
    x = 94,901,756,747,879,696/424,979,955.33
  6. Step 6: Final answer
    x = 223,308,783.29

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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.