Home / 623,788,541.34-936,220,289.13-432,446,686.62

Finding the Fourth Proportional to 623,788,541.34, 936,220,289.13 and 432,446,686.62

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Solution

The fourth proportional to 623,788,541.34, 936,220,289.13 and 432,446,686.62 is: 649,042,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,788,541.34 : 936,220,289.13 = 432,446,686.62 : x
  2. Step 2: Convert to fraction form
    623,788,541.34/936,220,289.13 = 432,446,686.62/x
  3. Step 3: Cross multiply
    623,788,541.34x = 936,220,289.13 × 432,446,686.62
  4. Step 4: Simplify right side
    623,788,541.34x = 404,865,361,980,686,912
  5. Step 5: Solve for x
    x = 404,865,361,980,686,912/623,788,541.34
  6. Step 6: Final answer
    x = 649,042,640.49

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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.