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Finding the Fourth Proportional to 565,518,009.35, 848,277,014.03 and 156,574,159.85

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Solution

The fourth proportional to 565,518,009.35, 848,277,014.03 and 156,574,159.85 is: 234,861,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,518,009.35 : 848,277,014.03 = 156,574,159.85 : x
  2. Step 2: Convert to fraction form
    565,518,009.35/848,277,014.03 = 156,574,159.85/x
  3. Step 3: Cross multiply
    565,518,009.35x = 848,277,014.03 × 156,574,159.85
  4. Step 4: Simplify right side
    565,518,009.35x = 132,818,260,791,031,040
  5. Step 5: Solve for x
    x = 132,818,260,791,031,040/565,518,009.35
  6. Step 6: Final answer
    x = 234,861,239.78

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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.