Home / 8,513,975,999.60-12,770,963,999.40-5,609,210,764.40

Finding the Fourth Proportional to 8,513,975,999.60, 12,770,963,999.40 and 5,609,210,764.40

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Solution

The fourth proportional to 8,513,975,999.60, 12,770,963,999.40 and 5,609,210,764.40 is: 8,413,816,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513,975,999.60 : 12,770,963,999.40 = 5,609,210,764.40 : x
  2. Step 2: Convert to fraction form
    8,513,975,999.60/12,770,963,999.40 = 5,609,210,764.40/x
  3. Step 3: Cross multiply
    8,513,975,999.60x = 12,770,963,999.40 × 5,609,210,764.40
  4. Step 4: Simplify right side
    8,513,975,999.60x = 71,635,028,737,199,349,760
  5. Step 5: Solve for x
    x = 71,635,028,737,199,349,760/8,513,975,999.60
  6. Step 6: Final answer
    x = 8,413,816,146.60

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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.