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Finding the Fourth Proportional to 590,493,607.80, 885,740,411.70 and 437,438,599.80

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Solution

The fourth proportional to 590,493,607.80, 885,740,411.70 and 437,438,599.80 is: 656,157,899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,493,607.80 : 885,740,411.70 = 437,438,599.80 : x
  2. Step 2: Convert to fraction form
    590,493,607.80/885,740,411.70 = 437,438,599.80/x
  3. Step 3: Cross multiply
    590,493,607.80x = 885,740,411.70 × 437,438,599.80
  4. Step 4: Simplify right side
    590,493,607.80x = 387,457,045,480,323,584
  5. Step 5: Solve for x
    x = 387,457,045,480,323,584/590,493,607.80
  6. Step 6: Final answer
    x = 656,157,899.70

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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.