Home / 757,804,807.80-1,136,707,211.70-369,876,497.40

Finding the Fourth Proportional to 757,804,807.80, 1,136,707,211.70 and 369,876,497.40

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Solution

The fourth proportional to 757,804,807.80, 1,136,707,211.70 and 369,876,497.40 is: 554,814,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,807.80 : 1,136,707,211.70 = 369,876,497.40 : x
  2. Step 2: Convert to fraction form
    757,804,807.80/1,136,707,211.70 = 369,876,497.40/x
  3. Step 3: Cross multiply
    757,804,807.80x = 1,136,707,211.70 × 369,876,497.40
  4. Step 4: Simplify right side
    757,804,807.80x = 420,441,282,032,916,288
  5. Step 5: Solve for x
    x = 420,441,282,032,916,288/757,804,807.80
  6. Step 6: Final answer
    x = 554,814,746.10

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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.