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Finding the Fourth Proportional to 533,720,698.56, 736,154,870.40 and 489,809,496.96

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Solution

The fourth proportional to 533,720,698.56, 736,154,870.40 and 489,809,496.96 is: 675,588,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,720,698.56 : 736,154,870.40 = 489,809,496.96 : x
  2. Step 2: Convert to fraction form
    533,720,698.56/736,154,870.40 = 489,809,496.96/x
  3. Step 3: Cross multiply
    533,720,698.56x = 736,154,870.40 × 489,809,496.96
  4. Step 4: Simplify right side
    533,720,698.56x = 360,575,646,755,277,952
  5. Step 5: Solve for x
    x = 360,575,646,755,277,952/533,720,698.56
  6. Step 6: Final answer
    x = 675,588,651.01

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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.