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Finding the Fourth Proportional to 565,492,022.10, 848,238,033.15 and 391,152,802.05

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Solution

The fourth proportional to 565,492,022.10, 848,238,033.15 and 391,152,802.05 is: 586,729,203.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,492,022.10 : 848,238,033.15 = 391,152,802.05 : x
  2. Step 2: Convert to fraction form
    565,492,022.10/848,238,033.15 = 391,152,802.05/x
  3. Step 3: Cross multiply
    565,492,022.10x = 848,238,033.15 × 391,152,802.05
  4. Step 4: Simplify right side
    565,492,022.10x = 331,790,683,472,003,264
  5. Step 5: Solve for x
    x = 331,790,683,472,003,264/565,492,022.10
  6. Step 6: Final answer
    x = 586,729,203.08

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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.