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Finding the Fourth Proportional to 724,895,999.35, 1,087,343,999.03 and 724,895,999.35

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Solution

The fourth proportional to 724,895,999.35, 1,087,343,999.03 and 724,895,999.35 is: 1,087,343,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,895,999.35 : 1,087,343,999.03 = 724,895,999.35 : x
  2. Step 2: Convert to fraction form
    724,895,999.35/1,087,343,999.03 = 724,895,999.35/x
  3. Step 3: Cross multiply
    724,895,999.35x = 1,087,343,999.03 × 724,895,999.35
  4. Step 4: Simplify right side
    724,895,999.35x = 788,211,314,810,452,864
  5. Step 5: Solve for x
    x = 788,211,314,810,452,864/724,895,999.35
  6. Step 6: Final answer
    x = 1,087,343,999.03

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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.