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Finding the Fourth Proportional to 575,077,999.80, 862,616,999.70 and 473,041,327.80

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Solution

The fourth proportional to 575,077,999.80, 862,616,999.70 and 473,041,327.80 is: 709,561,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,077,999.80 : 862,616,999.70 = 473,041,327.80 : x
  2. Step 2: Convert to fraction form
    575,077,999.80/862,616,999.70 = 473,041,327.80/x
  3. Step 3: Cross multiply
    575,077,999.80x = 862,616,999.70 × 473,041,327.80
  4. Step 4: Simplify right side
    575,077,999.80x = 408,053,490,920,940,224
  5. Step 5: Solve for x
    x = 408,053,490,920,940,224/575,077,999.80
  6. Step 6: Final answer
    x = 709,561,991.70

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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.