Home / 5,118,748,807.80-7,678,123,211.70-4,526,936,110.20

Finding the Fourth Proportional to 5,118,748,807.80, 7,678,123,211.70 and 4,526,936,110.20

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Solution

The fourth proportional to 5,118,748,807.80, 7,678,123,211.70 and 4,526,936,110.20 is: 6,790,404,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,748,807.80 : 7,678,123,211.70 = 4,526,936,110.20 : x
  2. Step 2: Convert to fraction form
    5,118,748,807.80/7,678,123,211.70 = 4,526,936,110.20/x
  3. Step 3: Cross multiply
    5,118,748,807.80x = 7,678,123,211.70 × 4,526,936,110.20
  4. Step 4: Simplify right side
    5,118,748,807.80x = 34,758,373,225,609,527,296
  5. Step 5: Solve for x
    x = 34,758,373,225,609,527,296/5,118,748,807.80
  6. Step 6: Final answer
    x = 6,790,404,165.30

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Half scale
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Double scale
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Similar ratio
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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.