Home / 758,388,570.61-1,137,582,855.91-213,130,104.61

Finding the Fourth Proportional to 758,388,570.61, 1,137,582,855.91 and 213,130,104.61

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Solution

The fourth proportional to 758,388,570.61, 1,137,582,855.91 and 213,130,104.61 is: 319,695,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,388,570.61 : 1,137,582,855.91 = 213,130,104.61 : x
  2. Step 2: Convert to fraction form
    758,388,570.61/1,137,582,855.91 = 213,130,104.61/x
  3. Step 3: Cross multiply
    758,388,570.61x = 1,137,582,855.91 × 213,130,104.61
  4. Step 4: Simplify right side
    758,388,570.61x = 242,453,153,082,640,896
  5. Step 5: Solve for x
    x = 242,453,153,082,640,896/758,388,570.61
  6. Step 6: Final answer
    x = 319,695,156.91

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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.