Home / 5,118,103,623.90-7,677,155,435.85-4,245,690,078.30

Finding the Fourth Proportional to 5,118,103,623.90, 7,677,155,435.85 and 4,245,690,078.30

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Solution

The fourth proportional to 5,118,103,623.90, 7,677,155,435.85 and 4,245,690,078.30 is: 6,368,535,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,103,623.90 : 7,677,155,435.85 = 4,245,690,078.30 : x
  2. Step 2: Convert to fraction form
    5,118,103,623.90/7,677,155,435.85 = 4,245,690,078.30/x
  3. Step 3: Cross multiply
    5,118,103,623.90x = 7,677,155,435.85 × 4,245,690,078.30
  4. Step 4: Simplify right side
    5,118,103,623.90x = 32,594,822,663,555,260,416
  5. Step 5: Solve for x
    x = 32,594,822,663,555,260,416/5,118,103,623.90
  6. Step 6: Final answer
    x = 6,368,535,117.45

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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.