Home / 4,118,890,646.40-6,178,335,969.60-3,780,280,060.80

Finding the Fourth Proportional to 4,118,890,646.40, 6,178,335,969.60 and 3,780,280,060.80

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Solution

The fourth proportional to 4,118,890,646.40, 6,178,335,969.60 and 3,780,280,060.80 is: 5,670,420,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,890,646.40 : 6,178,335,969.60 = 3,780,280,060.80 : x
  2. Step 2: Convert to fraction form
    4,118,890,646.40/6,178,335,969.60 = 3,780,280,060.80/x
  3. Step 3: Cross multiply
    4,118,890,646.40x = 6,178,335,969.60 × 3,780,280,060.80
  4. Step 4: Simplify right side
    4,118,890,646.40x = 23,355,840,274,802,319,360
  5. Step 5: Solve for x
    x = 23,355,840,274,802,319,360/4,118,890,646.40
  6. Step 6: Final answer
    x = 5,670,420,091.20

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Double scale
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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.