Home / 1,716,863,419.80-2,575,295,129.70-424,398,907.80

Finding the Fourth Proportional to 1,716,863,419.80, 2,575,295,129.70 and 424,398,907.80

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Solution

The fourth proportional to 1,716,863,419.80, 2,575,295,129.70 and 424,398,907.80 is: 636,598,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716,863,419.80 : 2,575,295,129.70 = 424,398,907.80 : x
  2. Step 2: Convert to fraction form
    1,716,863,419.80/2,575,295,129.70 = 424,398,907.80/x
  3. Step 3: Cross multiply
    1,716,863,419.80x = 2,575,295,129.70 × 424,398,907.80
  4. Step 4: Simplify right side
    1,716,863,419.80x = 1,092,952,440,307,339,264
  5. Step 5: Solve for x
    x = 1,092,952,440,307,339,264/1,716,863,419.80
  6. Step 6: Final answer
    x = 636,598,361.70

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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.