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Finding the Fourth Proportional to 564,641,100.68, 778,963,015.96 and 352,579,774.06

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Solution

The fourth proportional to 564,641,100.68, 778,963,015.96 and 352,579,774.06 is: 486,409,161.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,641,100.68 : 778,963,015.96 = 352,579,774.06 : x
  2. Step 2: Convert to fraction form
    564,641,100.68/778,963,015.96 = 352,579,774.06/x
  3. Step 3: Cross multiply
    564,641,100.68x = 778,963,015.96 × 352,579,774.06
  4. Step 4: Simplify right side
    564,641,100.68x = 274,646,604,168,272,992
  5. Step 5: Solve for x
    x = 274,646,604,168,272,992/564,641,100.68
  6. Step 6: Final answer
    x = 486,409,161.21

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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.