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Finding the Fourth Proportional to 488,570,639.06, 732,855,492.03 and 125,064,411.86

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Solution

The fourth proportional to 488,570,639.06, 732,855,492.03 and 125,064,411.86 is: 187,596,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,570,639.06 : 732,855,492.03 = 125,064,411.86 : x
  2. Step 2: Convert to fraction form
    488,570,639.06/732,855,492.03 = 125,064,411.86/x
  3. Step 3: Cross multiply
    488,570,639.06x = 732,855,492.03 × 125,064,411.86
  4. Step 4: Simplify right side
    488,570,639.06x = 91,654,141,089,102,864
  5. Step 5: Solve for x
    x = 91,654,141,089,102,864/488,570,639.06
  6. Step 6: Final answer
    x = 187,596,498.36

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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.