Home / 635,904,045.80-953,856,068.70-205,126,087.40

Finding the Fourth Proportional to 635,904,045.80, 953,856,068.70 and 205,126,087.40

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Solution

The fourth proportional to 635,904,045.80, 953,856,068.70 and 205,126,087.40 is: 307,689,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,904,045.80 : 953,856,068.70 = 205,126,087.40 : x
  2. Step 2: Convert to fraction form
    635,904,045.80/953,856,068.70 = 205,126,087.40/x
  3. Step 3: Cross multiply
    635,904,045.80x = 953,856,068.70 × 205,126,087.40
  4. Step 4: Simplify right side
    635,904,045.80x = 195,660,763,315,176,608
  5. Step 5: Solve for x
    x = 195,660,763,315,176,608/635,904,045.80
  6. Step 6: Final answer
    x = 307,689,131.10

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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.