Home / 746,018,815.96-1,029,509,166.68-406,934,680.92

Finding the Fourth Proportional to 746,018,815.96, 1,029,509,166.68 and 406,934,680.92

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Solution

The fourth proportional to 746,018,815.96, 1,029,509,166.68 and 406,934,680.92 is: 561,571,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,018,815.96 : 1,029,509,166.68 = 406,934,680.92 : x
  2. Step 2: Convert to fraction form
    746,018,815.96/1,029,509,166.68 = 406,934,680.92/x
  3. Step 3: Cross multiply
    746,018,815.96x = 1,029,509,166.68 × 406,934,680.92
  4. Step 4: Simplify right side
    746,018,815.96x = 418,942,984,247,140,864
  5. Step 5: Solve for x
    x = 418,942,984,247,140,864/746,018,815.96
  6. Step 6: Final answer
    x = 561,571,605.55

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Double scale
Find fourth proportional to 746,018,816.96, 1,029,509,168.06 and 406,934,681.92
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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.