Home / 1,319,397,754.24-1,820,790,733.17-724,737,188.98

Finding the Fourth Proportional to 1,319,397,754.24, 1,820,790,733.17 and 724,737,188.98

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Solution

The fourth proportional to 1,319,397,754.24, 1,820,790,733.17 and 724,737,188.98 is: 1,000,149,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,397,754.24 : 1,820,790,733.17 = 724,737,188.98 : x
  2. Step 2: Convert to fraction form
    1,319,397,754.24/1,820,790,733.17 = 724,737,188.98/x
  3. Step 3: Cross multiply
    1,319,397,754.24x = 1,820,790,733.17 × 724,737,188.98
  4. Step 4: Simplify right side
    1,319,397,754.24x = 1,319,594,757,678,459,136
  5. Step 5: Solve for x
    x = 1,319,594,757,678,459,136/1,319,397,754.24
  6. Step 6: Final answer
    x = 1,000,149,313.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.