Home / 757,804,813.80-1,136,707,220.70-369,876,503.40

Finding the Fourth Proportional to 757,804,813.80, 1,136,707,220.70 and 369,876,503.40

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Solution

The fourth proportional to 757,804,813.80, 1,136,707,220.70 and 369,876,503.40 is: 554,814,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,813.80 : 1,136,707,220.70 = 369,876,503.40 : x
  2. Step 2: Convert to fraction form
    757,804,813.80/1,136,707,220.70 = 369,876,503.40/x
  3. Step 3: Cross multiply
    757,804,813.80x = 1,136,707,220.70 × 369,876,503.40
  4. Step 4: Simplify right side
    757,804,813.80x = 420,441,292,182,048,064
  5. Step 5: Solve for x
    x = 420,441,292,182,048,064/757,804,813.80
  6. Step 6: Final answer
    x = 554,814,755.10

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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.