Home / 5,118,103,617.90-7,677,155,426.85-4,245,690,072.30

Finding the Fourth Proportional to 5,118,103,617.90, 7,677,155,426.85 and 4,245,690,072.30

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Solution

The fourth proportional to 5,118,103,617.90, 7,677,155,426.85 and 4,245,690,072.30 is: 6,368,535,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,103,617.90 : 7,677,155,426.85 = 4,245,690,072.30 : x
  2. Step 2: Convert to fraction form
    5,118,103,617.90/7,677,155,426.85 = 4,245,690,072.30/x
  3. Step 3: Cross multiply
    5,118,103,617.90x = 7,677,155,426.85 × 4,245,690,072.30
  4. Step 4: Simplify right side
    5,118,103,617.90x = 32,594,822,579,281,117,184
  5. Step 5: Solve for x
    x = 32,594,822,579,281,117,184/5,118,103,617.90
  6. Step 6: Final answer
    x = 6,368,535,108.45

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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.