Home / 641,060,904,707.80-961,622,281,195.35-210,788,463,184.06

Finding the Fourth Proportional to 641,060,904,707.80, 961,622,281,195.35 and 210,788,463,184.06

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Solution

The fourth proportional to 641,060,904,707.80, 961,622,281,195.35 and 210,788,463,184.06 is: 316,192,862,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,060,904,707.80 : 961,622,281,195.35 = 210,788,463,184.06 : x
  2. Step 2: Convert to fraction form
    641,060,904,707.80/961,622,281,195.35 = 210,788,463,184.06/x
  3. Step 3: Cross multiply
    641,060,904,707.80x = 961,622,281,195.35 × 210,788,463,184.06
  4. Step 4: Simplify right side
    641,060,904,707.80x = 202,698,882,816,717,814,235,136
  5. Step 5: Solve for x
    x = 202,698,882,816,717,814,235,136/641,060,904,707.80
  6. Step 6: Final answer
    x = 316,192,862,999.67

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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.