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Finding the Fourth Proportional to 242,789,999.60, 364,184,999.40 and 168,813,412.40

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Solution

The fourth proportional to 242,789,999.60, 364,184,999.40 and 168,813,412.40 is: 253,220,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,789,999.60 : 364,184,999.40 = 168,813,412.40 : x
  2. Step 2: Convert to fraction form
    242,789,999.60/364,184,999.40 = 168,813,412.40/x
  3. Step 3: Cross multiply
    242,789,999.60x = 364,184,999.40 × 168,813,412.40
  4. Step 4: Simplify right side
    242,789,999.60x = 61,479,312,493,605,952
  5. Step 5: Solve for x
    x = 61,479,312,493,605,952/242,789,999.60
  6. Step 6: Final answer
    x = 253,220,118.60

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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.