Home / 6,379,646,913.30-9,569,470,369.95-5,519,683,521.30

Finding the Fourth Proportional to 6,379,646,913.30, 9,569,470,369.95 and 5,519,683,521.30

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Solution

The fourth proportional to 6,379,646,913.30, 9,569,470,369.95 and 5,519,683,521.30 is: 8,279,525,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379,646,913.30 : 9,569,470,369.95 = 5,519,683,521.30 : x
  2. Step 2: Convert to fraction form
    6,379,646,913.30/9,569,470,369.95 = 5,519,683,521.30/x
  3. Step 3: Cross multiply
    6,379,646,913.30x = 9,569,470,369.95 × 5,519,683,521.30
  4. Step 4: Simplify right side
    6,379,646,913.30x = 52,820,447,908,581,638,144
  5. Step 5: Solve for x
    x = 52,820,447,908,581,638,144/6,379,646,913.30
  6. Step 6: Final answer
    x = 8,279,525,281.95

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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.