Home / 503,037,390-754,556,085-139,531,746

Finding the Fourth Proportional to 503,037,390, 754,556,085 and 139,531,746

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Solution

The fourth proportional to 503,037,390, 754,556,085 and 139,531,746 is: 209,297,619

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,037,390 : 754,556,085 = 139,531,746 : x
  2. Step 2: Convert to fraction form
    503,037,390/754,556,085 = 139,531,746/x
  3. Step 3: Cross multiply
    503,037,390x = 754,556,085 × 139,531,746
  4. Step 4: Simplify right side
    503,037,390x = 105,284,527,994,974,416
  5. Step 5: Solve for x
    x = 105,284,527,994,974,416/503,037,390
  6. Step 6: Final answer
    x = 209,297,619

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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.