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Finding the Fourth Proportional to 629,857,802.10, 944,786,703.15 and 555,881,214.90

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Solution

The fourth proportional to 629,857,802.10, 944,786,703.15 and 555,881,214.90 is: 833,821,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,802.10 : 944,786,703.15 = 555,881,214.90 : x
  2. Step 2: Convert to fraction form
    629,857,802.10/944,786,703.15 = 555,881,214.90/x
  3. Step 3: Cross multiply
    629,857,802.10x = 944,786,703.15 × 555,881,214.90
  4. Step 4: Simplify right side
    629,857,802.10x = 525,189,180,368,387,648
  5. Step 5: Solve for x
    x = 525,189,180,368,387,648/629,857,802.10
  6. Step 6: Final answer
    x = 833,821,822.35

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1.5x scale

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.